Number | Name | Date | Kind |
---|---|---|---|
1156336 | Wegland | Oct 1915 | |
1979325 | Goldberg | Nov 1934 | |
2264440 | Havlick | Dec 1941 | |
2558415 | Bonsall | Jun 1951 | |
2731236 | Bruce | Jan 1956 | |
2870993 | Jahnke | Jan 1959 | |
2998088 | Pennington, II | Aug 1961 | |
3318400 | Hildebrandt | May 1967 | |
3421392 | Bangerter et al. | Jan 1969 | |
3833077 | Lavallee | Sep 1974 | |
3884120 | Diferdinando | May 1975 |
Number | Date | Country |
---|---|---|
2436023 | Feb 1976 | DEX |
60-87650 | Jun 1985 | JPX |
61-146412 | Jul 1986 | JPX |
898004 | Jun 1962 | GBX |
Entry |
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Tool and Manufacturing Engineers Handbook, 4th Ed., vol. 1, Drozda et al, eds. (Society of Manufacturing Engineers; Dearborn, MI, 1983), pp. 9-27. |