Patents for Willard H. Kempton


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Patents for Willard H. Kempton
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
1,284,362	Nov. 12, 1918	W.H. Kempton	Molded commutator-cylinder	motor commutators
1,284,524	Nov. 12, 1918	C.E. Wilson, W.H. Kempton, A.J. Bastian	Molded commutator-cylinder	motor commutators