Patents for Edward B. Sperry


	Home\| FAQ	Search:Advanced\|Person\|Company\| Type\|Class	Login


Quick search:	Patent number:	Patent Date:

Patents for Edward B. Sperry
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	196,188	Oct. 16, 1877	W.E. Brock	Improvement in Combined Bevel, Square, Compass, Calipers, &c.
	197,171	Nov. 13, 1877	P. Pryibil	Improvement in shaft-hangers
	198,633	Dec. 25, 1877	C.W. Le Count	Expanding Mandrels