All Patents in class 336/136


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All Patents in class 336/136
Patents 1 - 4 of 4
Number	Date	Patentee	Title	Type
30,038	Sep. 18, 1860	J.K. Babcock	Improvement in windmills	wind power apparatus
892,656	Jul. 07, 1908	G.W. Euker	Controller for alternating-current motors
2,428,234	Sep. 30, 1947	A.G. Mapp	Internal Micrometer	micrometers
2,572,455	Oct. 23, 1951	U.S. Dunn	Transformer for arc welding	welding machines