All Patents in class 187/270


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All Patents in class 187/270
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
43,451	Jul. 05, 1864	S. Van Emon, J. Reynolds, J.T. Bodley	Improvement in hoisting apparatus	hoists, winches, come-alongs
3,039,766	Jun. 19, 1962	C.N. Aronson	Geared elevation work positioner	work holding