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Patents Granted on 1957-03-19
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,785,471Mar. 19, 1957W.J. Croshier, E. AldeborghExternal and Internal Caliper Gage
2,785,511Mar. 19, 1957J.C. WilsonGrinding Machine and Method of Operationsurface grinders
2,785,591Mar. 19, 1957V.H. HildebrantSaw grinding machinewoodworking machine sharpening mechanisms
2,785,710Mar. 19, 1957J.R. Mowery, Jr.Automatic brake for power toolswoodworking machine safety guards
2,785,713Mar. 19, 1957L.R. WagnerPower operated rotary end-thrust cutterdrill press accessories
2,785,716Mar. 19, 1957J.B. LuttonSafety guard for rotary power toolwoodworking machine safety guards
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