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Patents for Howard E. Darby
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	1,765,592	Jun. 24, 1930	H.E. Darby, D.C. Klausmeyer	Single Lever Eight-Speed Shift Mechanism
	2,193,279	Mar. 12, 1940	W.F. Groene, H.C. Kemper, H.E. Darby	Lathe headstock
	2,247,491	Jul. 01, 1941	H.E. Darby, H.C. Kemper, W.F. Groene	Transmission Shifter Mechanism

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