Number | Name | Date | Kind |
---|---|---|---|
525588 | Bryant | Sep 1894 | |
717008 | Lochridge et al. | Dec 1902 | |
724074 | Allen | Mar 1903 | |
911228 | Fulford | Feb 1909 | |
947889 | Dorsey | Feb 1910 | |
1720563 | Neal | Jul 1929 | |
2118855 | Miller | May 1938 | |
2460580 | Huber | Feb 1949 | |
2546377 | Turechek | Mar 1951 | |
3186681 | Lowery | Jun 1965 | |
3215205 | Sizer | Nov 1965 | |
3302736 | Kisling, II | Feb 1967 | |
4186584 | Schott | Feb 1980 | |
4328974 | White et al. | May 1982 | |
4387507 | Kelly | Jun 1983 | |
4388752 | Vinciguerra et al. | Jun 1983 | |
4418457 | Mueller | Dec 1983 | |
4420866 | Mueller | Dec 1983 | |
4422317 | Mueller | Dec 1983 |
Number | Date | Country |
---|---|---|
923964 | Jul 1949 | DEX |
7202510 | Jan 1972 | DEX |
24742 | Feb 1980 | JPX |
405210 | Sep 1964 | CHX |
2074914 | May 1980 | GBX |
Entry |
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Bulletin EA-175, Positrol, Inc. (1974). |
"Erickson Expanding Mandrels", Erickson Tool Co., Solon, OH. |