All Patents in class 220/3.8


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All Patents in class 220/3.8
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	22,882	Feb. 08, 1859	L. Lyman, J.P. Hodgkins, E. Rawson	Machine for riving staves from the block
	1,604,237	Oct. 26, 1926	C.D. Platt	Electric switch box