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| Patents Granted on 1951-01-16 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,538,044 | Jan. 16, 1951 | E.C. Ruehle | Belt sander attachment for power tools | belt sanders | |
| 2,538,289 | Jan. 16, 1951 | M.H. Arms | Diaphragm chuck | grinders | |
| 2,538,295 | Jan. 16, 1951 | E.S. Cornell | Thread size gauge | thread gages | |
| 2,538,629 | Jan. 16, 1951 | W.F. Raffke | Tool lifter | metal shapers | |