All Patents in class 250/235


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All Patents in class 250/235
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
2,375,665	May 08, 1945	M. Koulicovitch	Electric Devive for Signaling the Position of a Movable Mark
2,416,968	Mar. 04, 1947	F. Turrettini	Stroboscopic Device for Determining Electrically the Position of an Object