Patents for William C. Hard


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Patents for William C. Hard
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	45,981	Jan. 24, 1865	W.H. Doane	Improvement in scroll-saws
	48,161	Jun. 13, 1865	W.H. Doane	Improvement in scroll-sawing machines
	49,584	Aug. 22, 1865	W.H. Doane	Improved journal-box
	68,791	Sep. 10, 1867	W.H. Doane, J. Richards	Improvement in mortising machines