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Patents Granted on 1931-08-18
Patents 1 - 4 of 4
First set of recordsLast set of records
D84,910Aug. 18, 1931H.S. Wolfe, H.L. MyersDesign for a combined casing for a floor polishing brush and handle therefor
1,819,182Aug. 18, 1931J.F. LincolnDynamo Electric Machineelectric generators
1,819,800Aug. 18, 1931W.B. TurnerPolishing devicesanding machines
1,819,837Aug. 18, 1931W.C. De GraffChuckmetal lathe chucks
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