Number | Name | Date | Kind |
---|---|---|---|
RE31117 | Depew | Jan 1983 | |
2252075 | Johnson | Aug 1941 | |
3731781 | Caudill et al. | May 1973 | |
3830351 | Cappotto | Aug 1974 | |
3882989 | Morelli | May 1975 | |
3899065 | Brignole | Aug 1975 | |
3900099 | Hengelhaupt | Aug 1975 | |
3904016 | Hengelhaupt | Sep 1975 | |
3923141 | Hengelhaupt | Dec 1975 |
Entry |
---|
IBM Technical Disclosure Bulletin, "Ribbon Cartridge," vol. 17, No. 4, Sep. 1974, pp. 1118-1119. |
IBM Technical Disclosure Bulletin, vol. 19, No. 8, Jan. 1977, pp. 2978-2979 "Printer Ribbon Cassette" by Brumbaugh et al. |