Number | Date | Country | Kind |
---|---|---|---|
8328370[U] | Oct 1983 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2152507 | Trainor | Mar 1939 | |
2943565 | Malek | Jul 1960 | |
4165069 | Colglazier et al. | Aug 1979 |
Number | Date | Country |
---|---|---|
2856950 | Aug 1982 | DEX |
207562 | Aug 1938 | CHX |
1430810 | Apr 1976 | GBX |
Entry |
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IBM Technical Disclosure Bulletin, "Mechanism for Latching a Paper Sheet Feeder to a Typewriter", by Dunning, vol. 24, No. 7B, 12-81. |