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| US4615628 | 2. Apr. 1985 | 7. Okt. 1986 | Shape Inc. | Ribbon cartridge with self-contained ratchet and drive gear assembly |
| US4886383 | 29. Febr. 1988 | 12. Dez. 1989 | Smith Corona Corporation | Tape cassette for metering correction tape feed |
| US5083877 | 18. Apr. 1990 | 28. Jan. 1992 | Pelikan, Inc. | Tape feed control apparatus for a correction tape cassette for a typewriter |
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| US6511238 | 12. Apr. 2001 | 28. Jan. 2003 | Dassault Automatismes et Telecommunications | Cassette with consumable tape, in particular for transport ticket processing device |
| USD308070 | 30. Nov. 1987 | 22. Mai 1990 | Smith Corona Corporation | Ribbon cassette |
| USD310384 | 19. Apr. 1988 | 4. Sept. 1990 | Smith Coronoa Corporation | Ribbon cassette |
