Patents for E. C. Hard


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Patents for E. C. Hard
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	976,353	Nov. 22, 1910	H. Gansslen	Machine for making wired edges
	1,085,971	Feb. 03, 1914	W.H. Carrier	Method of humidifying air and controlling the humidity and temperature thereof