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All Patents in class 451/492
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
840,982Jan. 08, 1907W.W. WilliamsSandpaper-holder
1,577,485Mar. 23, 1926J.M. NashAbrasive apronsanding machines
1,968,215Jul. 31, 1934N.F. McNaught, E.H. PetersonTool for cleaning commutators and the like
2,248,884Jul. 08, 1941J.F. McAdamsSanding blockabrasives and holders
2,252,190Aug. 12, 1941J.F. McAdamsSanding blockabrasives and holders
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