|
| US3960259 | 23 Aug 1974 | 1 Jun 1976 | Ing. C. Olivetti & C., S.p.A. | Ribbon cartridge for typewriter, calculating, accounting or like office machines |
| US3964595 | 23 Jan 1975 | 22 Jun 1976 | Xerox Corporation | Ribbon guide for a serial printer |
| US4010839 | 25 Nov 1975 | 8 Mar 1977 | Ing. C. Olivetti & C., S.p.A. | Cartridge for a ribbon of a typewriter or like office machines |
| US4058197 | 27 Sep 1976 | 15 Nov 1977 | Xerox Corporation | Ribbon tension control for a ribbon cartridge |
| US4071134 | 24 Feb 1976 | 31 Jan 1978 | | Typing error correction device |
| US4074799 | 13 Jul 1976 | 21 Feb 1978 | Brother Kogyo Kabushiki Kaisha | Ribbon cartridge having slack preventing means |
| US4131373 | 10 Jun 1977 | 26 Dec 1978 | Liquid Paper Corporation | Typewriter ribbon cartridge |
| US4293234 | 20 Aug 1979 | 6 Oct 1981 | Data Packaging Corporation | Ribbon cartridge for band printer |
| US4350451 | 14 Feb 1980 | 21 Sep 1982 | General Electric Company | Slidably positionable cartridge having skewed ribbon feed |
| US4373824 | 22 Jun 1981 | 15 Feb 1983 | Xerox Corporation | Ribbon tension and metering control |
| US4408908 | 19 Dec 1980 | 11 Oct 1983 | International Business Machines Corporation | Ribbon feed system for a matrix printer |
| US4408913 | 22 Feb 1982 | 11 Oct 1983 | Royal Business Machines, Inc. | Inked ribbon cartridge ribbon with supply spool drag device |
| US4427313 | 8 Apr 1982 | 24 Jan 1984 | Remington Ind. E. Com. de Sistemas para Escritorio S. A. | Ribbon cartridge for a typewriter |
| US4749293 | 16 Sep 1987 | 7 Jun 1988 | | Ribbon cassette for printers |
| US4798486 | 23 Apr 1986 | 17 Jan 1989 | Canon Kabushiki Kaisha | Ink ribbon cassette having mounting means, slack preventing means and multiple ribbon shifting means |
| US4806033 | 6 Mar 1987 | 21 Feb 1989 | Ing. C. Olivetti & C., S.p.A. | Ribbon cartridge for printing machines |
| US4810118 | 22 May 1986 | 7 Mar 1989 | Kienzle Apparate GmbH | Cartridge system for printing apparatus |
| US4859097 | 25 Mar 1987 | 22 Aug 1989 | Olympia Werke AG | Ribbon cartridge for typewriters or similar office machines |
| US4867586 | 16 Mar 1988 | 19 Sep 1989 | Canon Kabushiki Kaisha | Ink ribbon cassette and loading mechanism therefor |
| US5007749 | 25 Apr 1989 | 16 Apr 1991 | Ing. C. Olivetti & C., S.p.A. | Cartridge including tension means for a typewriter correction ribbon |
| US5246298 | 21 Sep 1993 | 21 Sep 1993 | Monarch Marking Systems, Inc. | Ink ribbon cartridge and installation methods relating thereto |
| US6048118 | 7 Aug 1998 | 11 Apr 2000 | Axiohm Transaction Solutions, Inc. | Compact ribbon cassette with integral friction plate |
| USD245726 | 26 Nov 1975 | 6 Sep 1977 | Ing. C. Olivetti & C., S.p.A. | Carbon ribbon cartridge |
| USD271310 | 10 Mar 1980 | 8 Nov 1983 | Oume Corporation | Ribbon cartridge or the like |
| USD290135 | 2 Jan 1985 | 2 Jun 1987 | Tokyo Electric Co., Ltd. | Cartridge for ink ribbon |
| USD304597 | 13 Jul 1987 | 14 Nov 1989 | Brother Kogyo Kabushiki Kaisha | Ink ribbon cassette |
