Patents for Harold W. Holmes


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Patents for Harold W. Holmes
Patents 1 - 7 of 7
Picture	Number	Date	Patentee	Title
	CA-277,022	Jan. 10, 1928	H.W. Holmes	Centreless Grinding Machine
	1,729,780	Oct. 01, 1929	H.W. Holmes	Centerless Grinding Machine
	1,733,090	Oct. 22, 1929	H.W. Holmes	Centerless Grinder
	1,733,097	Oct. 22, 1929	H.W. Holmes	Centerless Grinding Machine
	1,750,175	Mar. 11, 1930	H.W. Holmes	Truing Device
	1,837,821	Dec. 22, 1931	H.W. Holmes	Centerless Grinding Machine
	1,940,214	Dec. 19, 1933	H.W. Holmes	Truing Device