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Patents Granted on 1951-__-__
Patents 1 - 15 of 249
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D161,438Jan. 02, 1951G.E. FranckTube Cutting Tooltubing cutters
D161,484Jan. 02, 1951C.Y. McQuownPolishing machinesanding machines
D161,523Jan. 02, 1951L.E. ParkerPortable power-operated sawhandheld circular saws
2,536,422Jan. 02, 1951Handsaw Attachment
2,536,627Jan. 02, 1951W. CoppWoodworking machine blade guardjointers
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
2,538,044Jan. 16, 1951E.C. RuehleBelt sander attachment for power toolsbelt sanders
2,538,289Jan. 16, 1951M.H. ArmsDiaphragm chuckgrinding machines
2,538,295Jan. 16, 1951E.S. CornellThread size gaugethread gages
2,538,629Jan. 16, 1951W.F. RaffkeTool liftermetal shapers
D161,719Jan. 23, 1951E.F. ThomsonElectric power tool unithandheld power tools
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