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Patents for Henry M. Norris
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	1,485,805	Mar. 04, 1924	H.M. Norris	Compensating Depth Gage
	1,727,606	Sep. 10, 1929	H.M. Norris, D.C. Klausmeyer	Constant Drive Radial Drill
	1,746,713	Feb. 11, 1930	D.C. Klausmeyer, H.M. Norris	Thirty-Two Speed Head
	1,763,158	Jun. 10, 1930	H.M. Norris, D.C. Klausmeyer	Thirty-Six Speed Head

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