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Patents Granted on 1951-01-09
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,537,175Jan. 09, 1951W. VietsRatchet Type Socket Wrenchratchet wrenches
2,537,225Jan. 09, 1951G. Lewin, J. Benes, Jr.Photoelectric tube and method of manufactureelectrical devices
2,537,391Jan. 09, 1951H.F. BakewellHydraulic ram device with intermittent high-pressure fluid supplystamping presses
2,537,394Jan. 09, 1951W.B. BoiceAbrasive wheel drivecutter grinding
2,537,517Jan. 09, 1951C.B. De VliegMetal cutting toolboring bars
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