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| Patents Granted on 1932-03-15 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,849,093 | Mar. 15, 1932 | J.T. Janette | Self priming pump | rotary pumps | |
| 1,849,094 | Mar. 15, 1932 | H.L. Johnston | Mixing machine | ||
| 1,849,144 | Mar. 15, 1932 | R. Hamilton | Power take-off | power takeoffs | |
| 1,849,284 | Mar. 15, 1932 | D.P. Davies | Tractor | tractors | |
| 1,849,868 | Mar. 15, 1932 | S. Einstein | Grinder Wheel Oscillator | grinder dressers | |
| 1,850,054 | Mar. 15, 1932 | T. Zimmerman, S.A. Strickland | Centerless Grinder | grinding machines | |