Patents for John Mathys


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Patents for John Mathys
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	34,471	Feb. 18, 1862	N.W. Wheeler	Improvement in Tracto-Motive Engines
	35,480	Jun. 03, 1862	H. Mann	Improvement in the Manner of Working and Welding on the Steel in the Manufacture of Axes
	37,865	Mar. 10, 1863	G.W. Griswold	Improvement in Wrenches