Number | Name | Date | Kind |
---|---|---|---|
300894 | Randall | Jun 1884 | |
392610 | Hoffman | Nov 1888 | |
1977546 | Fornelius | Oct 1934 | |
2609191 | Foster | Sep 1952 | |
2609192 | Lermont | Sep 1952 | |
2714000 | O'Connor et al. | Jul 1955 | |
2724270 | Trekell | Nov 1955 | |
2996264 | Bygdnes | Aug 1961 | |
3003357 | Votta | Oct 1961 | |
3167308 | Bernstein et al. | Jan 1965 | |
3194343 | Sindlinger | Jul 1965 | |
3283876 | Kern | Nov 1966 | |
3291474 | Clarke | Dec 1966 | |
3666063 | Schoeman et al. | May 1972 | |
3758012 | Bonner et al. | Sep 1973 | |
3834511 | Hengelhaupt | Sep 1974 | |
3841459 | Buschmann et al. | Oct 1974 | |
3904018 | Denley | Sep 1975 | |
3910396 | Eischen et al. | Oct 1975 | |
3939957 | Bittner | Feb 1976 | |
3955809 | Hara et al. | May 1976 | |
3974906 | Lee et al. | Aug 1976 | |
4044883 | Boehmer | Aug 1977 |
Number | Date | Country |
---|---|---|
1046218 | Dec 1953 | FRX |
315908 | Oct 1956 | CHX |
Entry |
---|
IBM Technical Disclosure Bulletin, "Ribbon Drive", Cross, vol. 15, No. 7, Dec. 1972, p. 2312. |
IBM Technical Disclosure Bulletin, "Ribbon Drive", Darwin, vol. 19, No. 4, Sep. 1976, pp. 1407-1408. |