Number | Name | Date | Kind |
---|---|---|---|
1116860 | Trundle | Nov 1914 | |
1646883 | Sheldrick | Oct 1927 | |
2273288 | Rouan | Feb 1942 | |
3126199 | Rosoff | Mar 1964 | |
3260521 | Moxness | Jul 1966 | |
3870294 | Donner | Mar 1975 | |
3944210 | McInerny | Mar 1976 | |
3970298 | Irvine et al. | Jul 1976 |
Entry |
---|
Diel et al., "Self-Adjusting Throat Guide"; IBM Technical Disclosure Bulletin, vol. 14, No. 7, p. 2240; 12-1971. |