All Patents in class 417/22


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All Patents in class 417/22
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	727,466	May 05, 1903	E.J. Sederholm	Governor
	963,803	Jul. 12, 1910	J.L. Osborne	Combined Governor and Regulator for Air-Compressors