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All Patents in class 310/40R | |||||
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Number | Date | Patentee | Title | Type | |
2,170,036 | Aug. 22, 1939 | R. Schumann | Small electric machine tool | handheld power tools | |
2,463,097 | Mar. 01, 1949 | J.D. Gayer | Brush holder | motor brush holders | |
2,511,326 | Jun. 13, 1950 | S.A. Brown | Electric motor construction | electric motors |