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Patents for Chester A. Hoefer
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	955,334	Apr. 19, 1910	C.A. Hoefer	Valve Inserting Machine
	1,164,813	Dec. 21, 1915	F.W. Hoefer, C.A. Hoefer	Multiple-spindle drill-head
	2,183,743	Dec. 19, 1939	C.A. Hoefer	Multiple Spindle Machine Tool

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