| Patents for B41J 31 - Ink ribbons; Renovating or testing ink ribbons (1,930) |
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| 09/26/1984 | EP0119275A1 Ink ribbon for sublimation transfer process hard copying |
| 09/18/1984 | US4472073 Actuation device for two typewriter functions |
| 09/12/1984 | EP0117895A2 Multi-colored printing ribbon |
| 09/11/1984 | US4470714 Metal silicides on aluminum layer |
| 09/05/1984 | EP0117407A2 Thermal transfer printing processes |
| 09/04/1984 | US4469457 Cassette type ink ribbon device |
| 08/28/1984 | US4468676 Transfer type heat-sensitive printer |
| 08/28/1984 | US4468143 Device for the mounting of a printing head and for the mounting and guidance of an ink ribbon for a printer |
| 08/21/1984 | US4467332 Process for regenerating ink sheet |
| 08/14/1984 | US4465389 Thermosensitive inked element for non-impact printers |
| 08/07/1984 | CA1172037A1 Polyvinyl acetate layer for thermal transfer printing |
| 08/02/1984 | WO1984002883A1 No carbon required paper for letter printer |
| 08/01/1984 | EP0114749A2 Filler for heat-sensitive recording paper |
| 07/31/1984 | US4463034 Heat-sensitive magnetic transfer element |
| 07/24/1984 | US4461586 Ink ribbon for use in electrothermic non-impact recording |
| 07/11/1984 | EP0113018A2 Resistive ribbons for thermal transfer printing |
| 07/11/1984 | EP0113017A2 Thermal transfer printing |
| 07/10/1984 | US4459055 Ink ribbon which makes illegible the contents of information as transferred |
| 07/10/1984 | CA1170511A1 Ink-ribbon adapted to be overwritten in overlapping manner |
| 06/27/1984 | EP0111943A2 Developer resin for leuco dyes |
| 06/12/1984 | US4453839 Support, low melting transfer layer, and marking layer |
| 05/29/1984 | CA1168180A1 Actuator device for two typewriter functions |
| 05/29/1984 | CA1168106A1 Laminated element, thermal printer and process for lift-off correction |
| 05/29/1984 | CA1168043A1 Correctable thermal transfer printing ribbon |
| 05/10/1984 | WO1984001746A1 Heat-sublimable ink ribbon |
| 05/09/1984 | EP0107719A1 Ribbon cassette. |
| 04/25/1984 | EP0106403A2 Ink ribbon cartridge with re-impregnating means |
| 04/04/1984 | EP0104324A1 Radiation hardened lift-off correction medium and process of manufacture |
| 03/20/1984 | US4437779 Replaceable ribbon cartridge |
| 03/20/1984 | US4437401 Separator plate for type band printer |
| 03/15/1984 | WO1984000927A1 Ink ribbon for sublimation transfer process hard copying |
| 02/28/1984 | US4434207 Polymerized triacrylate bonding material on support |
| 02/22/1984 | EP0100776A1 Method for adaptively using a print ribbon in an impact printer |
| 01/31/1984 | CA1161350A1 Material and method for forming pressure-transferable graphics |
| 01/18/1984 | EP0098357A1 Modified resistive layer in thermal transfer medium |
| 01/17/1984 | US4426169 Typewriting ribbon with adhesively correctable print |
| 01/11/1984 | EP0098033A2 Thermal ink-transfer printing apparatus |
| 01/03/1984 | CA1159714A1 Replaceable inking cartridge |
| 12/28/1983 | EP0096740A1 Laminated transfer medium for thermal printing and lift-off correction |
| 12/20/1983 | US4421429 Resistive substrate for thermal printing ribbons comprising a mixture of thermosetting polyimide, thermoplastic polyimide, and conductive particulate material |
| 12/13/1983 | US4419956 Inking machines |
| 12/13/1983 | CA1158589A1 Cartridge for correction media or tacky tape with a wrap spring |
| 12/06/1983 | US4419024 Thermosetting polyimide, thermoplastic polyimide, graphite mixture |
| 11/16/1983 | EP0093858A1 Lift-off correctable transfer medium for printing and process of manufacture |
| 11/10/1983 | WO1983003798A1 Ribbon cassette |
| 11/08/1983 | US4414555 Method and apparatus for replenishing marking material to a donor ribbon in a thermal marking printer system |
| 11/08/1983 | CA1156459A1 Polyurethane ribbon for non-impact printing |
| 10/26/1983 | EP0092252A2 Guide for exchangeable ink ribbons in a printer |
| 10/18/1983 | US4410897 Two-sided recording device |
| 10/18/1983 | CA1155333A1 Ribbon configuration for resistive ribbon thermal transfer printing |
| 10/12/1983 | EP0090907A1 Overlapping overprint inking ribbon |
| 09/14/1983 | EP0088156A1 Resistive ribbon for thermal transfer printing |
| 09/13/1983 | CA1153550A1 Resistive ribbon with sublimable dye |
| 08/23/1983 | US4400100 Four layered ribbon for electrothermal printing |
| 08/02/1983 | US4396308 Ribbon guiding for thermal lift-off correction |
| 08/02/1983 | CA1151334A1 Pressure-sensitive adhesives for lift-off correction of erroneously typed characters |
| 07/26/1983 | US4395718 Thermal transfer recording medium |
| 07/12/1983 | CA1149765A1 Reinker for an inked ribbon cartridge |
| 07/06/1983 | EP0083079A2 Heat transfer recording medium |
| 07/06/1983 | EP0082957A2 Apparatus for replacing a ribbon cartridge in a printer, and ribbon cartridge to be used therewith |
| 07/05/1983 | US4391536 Word processor print wheel assembly |
| 06/29/1983 | EP0082270A1 Ribbon for non-impact thermal transfer printing and manufacturing method thereof |
| 06/29/1983 | EP0082269A1 Intermediate layer of silicon dioxide in thermal taransfer ribbon |
| 06/28/1983 | US4390294 Ribbon re-inking machine capable of reloading a variety of types of ribbon cassettes |
| 06/14/1983 | CA1148033A1 Transfer ribbons and process for producing same |
| 06/07/1983 | US4387384 Recording device |
| 05/24/1983 | US4384797 Single laminated element for thermal printing and lift-off correction, control therefor, and process |
| 05/11/1983 | EP0078631A2 Ribbon cassette |
| 05/03/1983 | CA1145701A1 Ribbon supply assembly |
| 04/06/1983 | EP0076044A2 Thermosensitive inked element for non-impact printers |
| 04/06/1983 | EP0075672A2 Spliceless ribbon structure having leader and trailer and method of manufacture therefor |
| 03/02/1983 | EP0073114A2 Ribbon mask for a wire dot printer |
| 02/22/1983 | US4374691 Material and method for forming pressure transferable graphics |
| 02/22/1983 | CA1141603A1 Lift-off tape and process |
| 02/09/1983 | EP0071404A2 Method and apparatus for making a transferable dye medium |
| 01/18/1983 | US4369451 Thermal printing device |
| 12/28/1982 | CA1138269A1 Transfer elements and process |
| 12/28/1982 | CA1138268A1 Transfer elements and process for making same |
| 12/21/1982 | US4364678 Reinkable ribbon cartridge |
| 11/16/1982 | US4359748 Device and method of non impact printing |
| 11/10/1982 | EP0064143A2 Arrangement to prevent undesired contact between the impression transfer material and the paper in a chain printer |
| 11/09/1982 | CA1135056A1 Transfer layer for resistive ribbon printing |
| 10/20/1982 | EP0063000A2 Ink compositions and ink sheets for use in heat transfer recording |
| 10/05/1982 | US4352577 Cassette type ink ribbon device |
| 09/21/1982 | US4350453 Cartridge for correction media or tacky tape with a wrap spring |
| 09/08/1982 | EP0059308A2 A resistive ribbon for electrothermal printing and a method of producing the resistive ribbon |
| 08/31/1982 | US4347283 Transfer-onto-plain paper type pressure-sensitive copying paper |
| 08/31/1982 | US4347007 Typewriter cartridge and feed mechanism therefor |
| 08/18/1982 | EP0057759A1 Thermal transfer printing resistive ribbon |
| 07/27/1982 | CA1128366A1 Printing ribbon spool |
| 07/27/1982 | CA1128310A1 Thermally activated ink and transfer method |
| 07/20/1982 | US4340313 Business machine printing ribbon spool apparatus and method of inking the type slug impact portion of printing ribbons |
| 07/20/1982 | CA1128242A1 Pressure sensitive correction composition and method of use |
| 07/20/1982 | CA1127843A1 Tear resistant ribbon for non-impact printing |
| 06/16/1982 | EP0053722A2 Ink ribbon, its manufacture and application |
| 06/16/1982 | EP0053671A1 Polyurethane ribbon for non-impact printing |
| 06/01/1982 | CA1124585A1 Pressure-sensitive transfer elements and process |
| 04/20/1982 | US4325645 Inked ribbon cartridge having a guide plate |
| 04/20/1982 | CA1122143A1 Polyester ribbon for non-impact printing |
| 04/06/1982 | CA1121510A1 Variable reluctance stepper motor drive and method of operation as a dc brushless motor |