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Patents Granted on 1953-03-31
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,632,981Mar. 31, 1953L. Kniep, Jr.Grinding and polishing machinebelt sanders
2,633,061Mar. 31, 1953H. Fritschi, E.G. RoehmMilling Machine Control Mechanismmilling machines
2,633,328Mar. 31, 1953B.E. WallaceWinchhoists, winches, come-alongs
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