Number | Name | Date | Kind |
---|---|---|---|
3413184 | Findlay et al. | Nov 1968 | |
3623908 | Hermann et al. | Nov 1971 | |
3682683 | Elbert et al. | Aug 1972 | |
3724633 | Korb et al. | Apr 1973 |
Number | Date | Country |
---|---|---|
245,397 | Jun 1963 | AU |
732,194 | Jun 1955 | UK |
748,265 | Apr 1956 | UK |
Entry |
---|
Bailey et al., "Unitary Correction Tape", IBM Technical Disclosure Bulletin, vol. 13, No. 11, Apr. 1971, p. 3460. |