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All Patents in class 226/41
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
1,545,638	Jul. 14, 1925	H.C. Clay	Automatic Speed Regulation	industrial machine speed and direction changing mechanisms
1,662,660	Mar. 13, 1928	H.C. Clay	Controller for Variable Speed Transmission	industrial machine speed and direction changing mechanisms

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