Patents for Campbell Printing Press and Mfg. Co.


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Patents for Campbell Printing Press and Mfg. Co.
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	364,749	Jun. 14, 1887	E.S. Boynton	Adjustable Alligator Wrench
	404,770	Jun. 04, 1889	E.S. Boynton	Improvement in Alligator-Wrenches
	CA-34,274	May 07, 1890	E.S. Boynton	Wrench