Number | Name | Date | Kind |
---|---|---|---|
4368993 | Brass et al. | Jan 1983 | |
4469459 | Trezise et al. | Sep 1984 | |
4630948 | Karns | Dec 1986 | |
4820068 | Mitcham | Apr 1989 | |
4968162 | Iwai et al. | Nov 1990 | |
5026182 | Suzuki | Jun 1991 |
Number | Date | Country |
---|---|---|
71690 | Apr 1987 | JPX |
402227279 | Sep 1990 | JPX |
Entry |
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Purcell et al., "Unique Cam Arrangement for Printer Ribbon Feed Mechanism," IBM Technical Disclosure Bulletin, vol. 26, No. 1, pp. 67-68 Jun. 1983. |