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Patents for Michael I. Ginsburg
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,171,939Feb. 15, 1916M.I. GinsburgWrenchquick adjust wrenches
1,175,950Mar. 21, 1916M.I. GinsburgWrenchscrew adjust wrenches
1,183,371May 16, 1916M.I. GinsburgAutomatic wrenchnut wrenches
1,245,701Nov. 06, 1917M.I. GinsburgShort-circuiting device for motorselectric motors
1,391,251Sep. 20, 1921M.I. GinsburgSlip-jaw wrenchscrew adjust wrenches
2,167,450Jul. 25, 1939M.I. GinsburgPower transmitting unitsewing machines
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