All Patents in class 226/181


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All Patents in class 226/181
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
185,441	Dec. 19, 1876	W. Gibb	Machine for Forming Split Keys	metal twisting machines
400,991	Apr. 09, 1889	D.S. Abbott	Lath-sawing machine	lath making machines