Number | Name | Date | Kind |
---|---|---|---|
81729 | Baker | Sep 1868 | |
131402 | Kingry et al. | Sep 1872 | |
2553630 | Capetta | May 1951 | |
3033481 | Wolk | May 1962 | |
3349887 | Goff, Jr. | Oct 1967 | |
3356202 | Goff, Jr. | Dec 1967 | |
3409113 | McLean | Nov 1968 | |
3528536 | Caudill et al. | Sep 1970 | |
3710915 | Teichmann et al. | Jan 1973 | |
3724633 | Korb et al. | Apr 1973 | |
3731781 | Caudill et al. | May 1973 | |
3804227 | Cappotto et al. | Apr 1974 | |
3960259 | Guerrini et al. | Jun 1976 | |
4272202 | Schroeder et al. | Jun 1981 | |
4299504 | Benz et al. | Nov 1981 | |
4347008 | Jagodzinski et al. | Aug 1982 |
Number | Date | Country |
---|---|---|
2933815 | Mar 1981 | DEX |
3003890 | Aug 1981 | DEX |
Entry |
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IBM Technical Disclosure Bulletin, "Typewriter Ribbon Cartridge Take-up Spool Bias Spring with Loop Unwind Control", Aldrich, vol. 24, No. 8, Jan. 1982, pp. 4312-4313. |
IBM Technical Disclosure Bulletin, "Straight Release Wire for Ribbon Cartridge", Abell et al., vol. 24, No. 12, May 1982, pp. 6520-6522. |
Xerox Disclosure Journal, "Ribbon Advance Mechanism", Mikes, vol. 2, No. 4, Jul./Aug. 1977, p. 47. |
IBM Technical Disclosure Bulletin, by E. J. Lenney, entitled "Ribbon Drag Wire", vol. 18, No. 4 (Sep. 1975), p. 1093. |