Number | Name | Date | Kind |
---|---|---|---|
414708 | Ives | Nov 1889 | |
748009 | Ramsey | Dec 1903 | |
1387258 | Gunnett et al. | Aug 1921 | |
1575418 | Dietze | Mar 1926 | |
1935681 | Washburn | Nov 1933 | |
2123764 | Berry | Jul 1938 | |
2247981 | Washer | Jul 1941 | |
2784622 | Curtin | Mar 1957 | |
2892226 | Bradney | Jun 1959 | |
3597949 | Nigrelli | Aug 1971 | |
3862775 | Gudmundsen | Jan 1975 |
Number | Date | Country |
---|---|---|
710,653 | Aug 1931 | FR |
1,186,067 | Aug 1959 | FR |
Entry |
---|
Bolts are Important, The Lamson and Sessions Company, copyright 1944, pp. 6-7. |