| Patents for B41J 33 - Apparatus or arrangements for feeding ink ribbons or like character-size impression-transfer material (2,129) |
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| 07/05/1977 | US4033445 Ribbon feed device for office machines |
| 05/24/1977 | US4025830 Motor control and web material drive system |
| 04/26/1977 | US4019618 Reversible ribbon drive mechanism |
| 04/19/1977 | US4018955 Process for producing a ring-shaped one-color or multi-color ribbon and a ribbon produced in accordance with this process |
| 03/22/1977 | US4013160 Ribbon tensioning device for ribbon cartridge |
| 03/15/1977 | US4012674 Dual motor web material transport system |
| 03/15/1977 | US4011933 Ribbon drive means |
| 02/22/1977 | US4008795 Removable cartridge for the inked ribbon for typewriters, calculating machines or other office machines |
| 02/22/1977 | US4008662 Printer ribbon drive apparatus |
| 02/08/1977 | US4006811 Reversing device for the longitudinal advance of a ribbon of type printers |
| 01/04/1977 | US4000804 Arrangement for transferring a ribbon from a feed spool to a take-up spool |
| 12/21/1976 | US3998313 Paper web and ink ribbon feed control for character printer |
| 12/14/1976 | US3997766 Rotary indexing mechanism |
| 12/07/1976 | US3995731 Multi-ribbon cassette and ribbon drive |
| 11/30/1976 | US3994383 Stuffed ribbon cartridge |
| 11/23/1976 | US3993181 Matrix printer incorporating intermittent ink ribbon transport |
| 11/09/1976 | US3990564 Ribbon drive mechanism |
| 11/09/1976 | US3990563 Spool-ejecting ink ribbon device |
| 10/19/1976 | US3986594 Serial impact calculator printer |
| 08/31/1976 | US3977620 Reversible drive for flexible web |
| 08/31/1976 | US3977512 Ribbon cassette and ribbon advance |
| 08/24/1976 | US3976185 Typewriter ribbon conveying mechanism |
| 07/06/1976 | US3967790 Cartridge drive apparatus |
| 06/29/1976 | US3966036 Inked ribbon feed arrangement |
| 06/01/1976 | US3960259 Ribbon cartridge for typewriter, calculating, accounting or like office machines |
| 05/04/1976 | US3954167 High speed printer |
| 03/02/1976 | US3941231 Ribbon cartridge |
| 02/24/1976 | US3939957 Carriage operated ribbon drive and reverse mechanism |
| 02/03/1976 | US3935939 Automatic threading of a typing ribbon |