Number | Name | Date | Kind |
---|---|---|---|
605032 | Unz | May 1898 | |
2048188 | Clarkson-Jones | Jul 1936 | |
2154058 | Vollans | Apr 1939 | |
3200740 | Schaller et al. | Aug 1965 | |
3272305 | Page | Sep 1966 | |
3810701 | Freccero et al. | May 1974 | |
3941990 | Anton | Mar 1976 | |
4073371 | Prager | Feb 1978 | |
4280767 | Heath | Jul 1981 |
Entry |
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Mathews "One Handed Print Element Latch Device" IBM Technical Disclosure Bulletin, vol. 23, No. 2, pp. 435-436, 7/80. |