All Patents in class 12/146C


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All Patents in class 12/146C
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	73,069	Jan. 07, 1868	J.F. Allen	Improvement in valve-gear
	234,163	Nov. 09, 1880	J.A. Ambler, A.C. Ambler	Crimping-machine for boots and shoes
	1,766,438	Jun. 24, 1930	L.J. Klunk	Saw-filing machine