Patents for William J. McPherson


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Patents for William J. McPherson
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	119,740	Oct. 10, 1871	N. Campbell	Improvement in curtain-fixtures
	296,491	Apr. 08, 1884	J.B. West	Differential gear
	396,763	Jan. 29, 1889	C.R. Penfield	Machine for sawing staves