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Patents for Michael I. Ginsburg | |||||
Number | Date | Patentee | Title | Type | |
1,171,939 | Feb. 15, 1916 | M.I. Ginsburg | Wrench | quick adjust wrenches | |
1,175,950 | Mar. 21, 1916 | M.I. Ginsburg | Wrench | screw adjust wrenches | |
1,183,371 | May 16, 1916 | M.I. Ginsburg | Automatic wrench | nut wrenches | |
1,245,701 | Nov. 06, 1917 | M.I. Ginsburg | Short-circuiting device for motors | electric motors | |
1,391,251 | Sep. 20, 1921 | M.I. Ginsburg | Slip-jaw wrench | screw adjust wrenches | |
2,167,450 | Jul. 25, 1939 | M.I. Ginsburg | Power transmitting unit | sewing machines |