Number | Name | Date | Kind |
---|---|---|---|
1174555 | Fowler | Mar 1916 | |
1679845 | Waldheim | Aug 1928 | |
2044072 | Going | Jun 1936 | |
2331331 | Lambert | Oct 1943 | |
2345557 | Elliott | Apr 1944 | |
2687200 | Ford | Aug 1954 | |
2695091 | Ford et al. | Nov 1954 | |
2821284 | Garwood et al. | Jan 1958 | |
3404628 | Lee | Oct 1968 |
Entry |
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Paulson, "Illuminated Card Guide," IBM Technical Disclosure Bulletin, vol. 18, No. 9, Feb. 1976, p. 2943. |
Craft, "Paper Insertion Realignment Mechanism," IBM Technical Disclosure Bulletin, vol. 11, No. 4, Sep. 1968, p. 390. |
Coots et al., "Print Shield," IBM Tech. Disc. Bul., vol. 18, No. 9, Feb. 1976, pp. 2954-2955. |
Habick et al., "Typing Shield," IBM Tech. Disc. Bul., vol. 9, No. 6, Nov. 1966, p. 688. |
Isaacs, "Aligned Underscore Guide," IBM Tech. Disc. Bul., vol. 11, No. 11, Apr. 1969, p. 1489. |