All Patents in class 220/3.8


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