Patents for Hayward A. Harvey


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


Quick search:	Patent number:	Patent Date:

Patents for Hayward A. Harvey
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	42,766	May 17, 1864	H.A. Harvey	Improvement in Machines for Threading Wood-Screws
	44,724	Oct. 18, 1864	H.A. Harvey	Improvement in Files
	RE7,573	Mar. 27, 1877	H.A. Harvey	Machine for Threading Wood Screws
	379,393	Mar. 13, 1888	H.A. Harvey	Machine for Making Washers