Number | Name | Date | Kind |
---|---|---|---|
924668 | Jacques | Jun 1909 | |
1655239 | Priputnevich | Jan 1928 | |
2401920 | Farrance | Jun 1946 | |
2440710 | Bauer | May 1948 | |
2544004 | Bauer | Mar 1951 | |
2713208 | Bizzoco et al. | Jul 1955 | |
3049807 | Smeets | Aug 1962 |
Entry |
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american Machinist, Mar. 29, 1945, p. 135, Pla-Chek, by Cadillac Gage Co. |