Number | Date | Country | Kind |
---|---|---|---|
50-143051 | Nov 1975 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
356406 | Hey et al. | Jan 1887 | |
2035310 | Florance | Mar 1936 | |
3242859 | Argerinos et al. | Mar 1966 | |
3361243 | Kaiser | Jan 1968 | |
3912068 | Kwan et al. | Oct 1975 | |
3983803 | Thomas et al. | Oct 1976 | |
4029193 | Kwan | Jun 1977 |
Number | Date | Country |
---|---|---|
2451345 | Jun 1976 | DEX |
1224696 | Mar 1971 | GBX |
Entry |
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Delapchier et al., Pass Book for Disk Printer, IBM Technical Disclosure Bulletin, vol. 13, No. 8, p. 2350 1/71. |
Carpenter et al., Forms Sensor for Automatic Platen, IBM Technical Disclosure Bulletin, vol. 13, No. 12, p. 3643 5/71. |