All Patents in class 451/492


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All Patents in class 451/492
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	840,982	Jan. 08, 1907	W.W. Williams	Sandpaper-holder
	1,577,485	Mar. 23, 1926	J.M. Nash	Abrasive apron
	1,968,215	Jul. 31, 1934	N.F. McNaught, E.H. Peterson	Tool for cleaning commutators and the like
	2,248,884	Jul. 08, 1941	J.F. McAdams	Sanding block
	2,252,190	Aug. 12, 1941	J.F. McAdams	Sanding block