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All Patents in class 74/75
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
1,372,045	Mar. 22, 1921	R.G. Sedgewick	Valve grinder	handheld power tools
1,835,842	Dec. 08, 1931	G.H. Benzon, Jr.	Feed Mechanism	metal planers

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