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| Patents Granted on 1952-03-11 | |||||
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| Number | Date | Patentee | Title | Type | |
| D166,148 | Mar. 11, 1952 | A.N. Emmons, P. Muller-Munk | Portable power operated sanding machine | handheld power sanders | |
| 2,588,985 | Mar. 11, 1952 | A.O. Kutz | Clutch with Removable Lining | industrial machine clutches | |
| 2,589,010 | Mar. 11, 1952 | H.R. Lindbeck | Circuit Breaker | circuit breakers | |
| 2,589,063 | Mar. 11, 1952 | E.J. Dillman | Thermostatic Switch | temperature controls | |
| 2,589,204 | Mar. 11, 1952 | F.A. Parsons | Copying Machine | milling machines | |