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| Patents Granted on 1946-03-12 | |||||
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| Number | Date | Patentee | Title | Type | |
| D144,103 | Mar. 12, 1946 | J. Desenberg | Optical Curve Generator | ||
| D144,141 | Mar. 12, 1946 | L.L. Schauer, J.H. McKewen | Design for a radial drill | radial drill presses | |
| 2,396,392 | Mar. 12, 1946 | H. Schreck | Hydraulic Operation of Mechanism | internal combustion engines | |
| 2,396,450 | Mar. 12, 1946 | C.E. Walling | V Block Fixture | V blocks | |
| 2,396,505 | Mar. 12, 1946 | C. Gumper | Grinding | grinders | |
| 2,396,559 | Mar. 12, 1946 | E.J. Dillman | Air Cooling Apparatus | air conditioning apparatus | |