| Patents for B43K 7 - Ball-point pens (3,207) |
|---|
| 02/04/1986 | US4568213 Foldable pen with cap |
| 01/21/1986 | US4565463 Aqueous ink cartridge with two part vent plug |
| 12/31/1985 | US4561184 School utensil and toy robot |
| 12/11/1985 | EP0163706A1 Writing instrument |
| 12/04/1985 | EP0163099A1 Handbag or pocket pen |
| 12/03/1985 | US4556336 Pen core for writing instrument |
| 10/01/1985 | US4544297 Ball point pen venting |
| 09/10/1985 | US4540300 Retractable capless marking pen |
| 08/20/1985 | US4536099 Writing instrument with ball point and two reservoirs |
| 08/07/1985 | EP0150557A2 Push-button type writing instrument |
| 08/06/1985 | US4533272 Writing instrument with movable closure |
| 07/31/1985 | EP0149747A1 Writing instrument |
| 07/24/1985 | EP0149216A2 Writing device |
| 07/16/1985 | US4529329 Ballpoint pen with metallic rod ball seat |
| 07/16/1985 | US4529328 Projection-retraction mechanism for a writing instrument |
| 06/19/1985 | EP0145678A2 Writing or drafting instrument |
| 06/11/1985 | US4522525 Writing instrument having a needle slidably mounted in a tubular tip |
| 05/23/1985 | WO1985002149A1 Writing instrument |
| 05/08/1985 | EP0140157A2 Ink conduit for the nibs of writing implements |
| 04/09/1985 | US4509876 Writing instrument with overflow chamber and return to supply |
| 04/02/1985 | US4508464 Foldable pen |
| 03/26/1985 | US4506426 Pocket clip for a writing instrument |
| 02/19/1985 | US4500222 Aqueous ink writing tip |
| 02/13/1985 | EP0132460A2 Writing instrument for liquid ink |
| 02/12/1985 | US4498797 Pressurized cartridge for a writing instrument |
| 12/27/1984 | EP0129099A2 Ink supply system for writing devices working with liquid ink |
| 11/20/1984 | US4484201 Pen type recording apparatus |
| 10/31/1984 | EP0123521A1 Direct filling pressurized writing instrument and method of manufacturing |
| 10/30/1984 | US4479732 Writing instrument with sealing cap retained in tip |
| 10/10/1984 | EP0121113A2 Writing instrument |
| 09/18/1984 | US4472462 Paint applying method using marking device |
| 09/04/1984 | US4469462 Writing instrument with sealing tip |
| 07/11/1984 | EP0113274A1 Pens with exchangeable cartridges |
| 07/03/1984 | US4457644 Ball-point pen tip |
| 06/26/1984 | CA1169815A1 Nib replaceable writing instrument |
| 05/29/1984 | US4451229 Liquefied gas lighter with ball-pointed pen |
| 02/07/1984 | US4430014 Ball point pen writing instrument |
| 01/04/1984 | EP0097474A1 Writing instrument |
| 12/27/1983 | CA1159397A1 Instrument marker pen |
| 12/21/1983 | EP0096177A2 Liquid ink feeding system for writing instruments |
| 12/13/1983 | CA1158603A1 Ball-point pen tip and ball-point pen provided with the same |
| 10/25/1983 | CA1155803A1 Ball point pen writing instrument |
| 10/19/1983 | EP0091516A1 Ink writing instrument |
| 09/27/1983 | US4406555 Nib replaceable writing instrument |
| 08/02/1983 | CA1151114A1 Pressurized cartridge for a writing instrument |
| 07/12/1983 | CA1149779A1 Writing implement with improved cartridge holder |
| 06/14/1983 | CA1148118A1 Writing tips for aqueous inks |
| 05/10/1983 | US4382707 Felt tip writing pen |
| 12/01/1982 | EP0065828A1 Writing tip |
| 04/13/1982 | US4324800 Cardiotonic agents |
| 03/09/1982 | US4318626 Pen with an improved ink injection system |
| 03/02/1982 | US4317639 Writing implement with improved cartridge holder |
| 02/16/1982 | US4316197 Easily removable instrument pen tip |
| 01/19/1982 | US4311403 Ball-point pen device |
| 01/05/1982 | US4308664 Writing aid |
| 12/23/1981 | EP0042289A1 Improved instrument marker pen |
| 12/02/1981 | EP0040726A1 Large-capacity cartridge for a ball-point pen |
| 11/24/1981 | US4302121 Ball-point pen having three sides and complementary cap |
| 07/01/1981 | EP0031092A1 Method for manufacturing large numbers of ball-point pen refills |
| 06/30/1981 | USRE30659 Pen points for writing instruments |
| 06/16/1981 | CA1103212A1 Writing instrument |
| 06/09/1981 | US4272206 Safety ink pen |
| 01/06/1981 | US4243338 Writing instrument and holder assembly |
| 12/16/1980 | US4239408 Fountain pen with improved ink flow control |
| 11/27/1980 | WO1980002536A1 A pressurized cartridge for a writing instrument |
| 11/26/1980 | EP0019460A1 A pressurized cartridge for a writing instrument |
| 11/04/1980 | CA1088893A1 Low viscosity ink ball-point pen with ink chamber near the ball |
| 10/28/1980 | CA1088463A1 Aqueous ink ball-point pen with capillary ink guides |
| 10/14/1980 | US4227823 Writing instrument |
| 08/19/1980 | US4218154 Writing instrument with self-closure |
| 08/19/1980 | US4217712 Conical pen |
| 06/24/1980 | US4209263 Structure for reduced ink evaporation |
| 06/17/1980 | US4207695 Mechanical writing instrument |
| 04/29/1980 | US4200403 Writing implements |
| 04/22/1980 | CA1076066A1 Writing pen having finned collector including a weir |
| 04/01/1980 | US4195941 Marking pen writing tip |
| 09/18/1979 | CA1062662A1 Writing instrument with tapered coupling means between housing and mechanism |
| 09/11/1979 | US4167350 Writing instrument |
| 08/21/1979 | US4165513 Signal-operated marking device |
| 07/17/1979 | US4161374 Twist retractable writing implement |
| 05/15/1979 | CA1054567A1 Ball point pen with water expandable and flexible feeding rod |
| 03/20/1979 | US4145148 Ball-point pen for a low-viscosity ink |
| 02/13/1979 | US4139313 Writing element for use in ball point pen |
| 10/24/1978 | CA1041044A1 Fountain pen cartridge replacement device |
| 09/19/1978 | US4115015 Retractable pen with internal tip seating |
| 09/05/1978 | US4111052 Pressure-sensitive writing stylus |
| 08/22/1978 | US4108559 Ball point pen back end closure |
| 05/30/1978 | US4092073 Writing instrument with bayonet lock |
| 03/07/1978 | US4077727 Antioxidants, corrosion resistance |
| 03/07/1978 | US4077726 Grip-lock pen |
| 02/28/1978 | US4076428 Pen points for writing instruments |
| 07/12/1977 | US4035091 Training device for students of stenography |
| 07/12/1977 | US4035089 Mechanism for varying the finger grip area of a writing implement |
| 05/24/1977 | US4025204 Writing implement |
| 04/12/1977 | US4017870 Truncated ball pen |
| 12/14/1976 | US3997273 Ballpoint pen cartridge |
| 11/30/1976 | US3994605 Pocket pen |
| 10/19/1976 | US3986403 Writing instrument employing adjustable housing carrying strain gage and removable reservoir |
| 10/12/1976 | US3985457 Writing implement having a replaceable refill |
| 08/24/1976 | US3976007 Washing device adjustable with respect to the blanket cylinder |