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Patents for Motor Specialties Co.
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	1,174,572	Mar. 07, 1916	F.C. Hersee	Valve Grinder
	1,236,826	Aug. 14, 1917	R.A. Durland	Valve Spring Compressor
	1,257,003	Feb. 19, 1918	H.S. Hoyt	Nut Or Bolt Holder

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