Patents for J. J. Cowell Machine Works


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Patents for J. J. Cowell Machine Works
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
488,600	Dec. 27, 1892	J.J. Cowell	Vise	vises
691,448	Jan. 21, 1902	J.J. Cowell	Shaft-coupling	industrial machine shaft couplings