Number | Name | Date | Kind |
---|---|---|---|
1397740 | Pereira | Nov 1921 | |
2582412 | Bosquet | Jan 1952 | |
3806948 | Nagao et al. | Apr 1974 | |
4084680 | Deetz | Apr 1978 |
Number | Date | Country |
---|---|---|
2509840 | Sep 1975 | DEX |
304508 | Jan 1933 | ITX |
Entry |
---|
IBM Technical Disclosure Bulletin, "Ribbon Cartridge", Mathews, vol. 18, No. 11, Apr. 1976, p. 3538. |