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| All Patents in class 475/149 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 810,444 | Jan. 23, 1906 | C.W. Theil | Electric drill | |
 | 1,109,325 | Sep. 01, 1914 | W.O. Duntley | Electric drill | |
 | 1,979,333 | Nov. 06, 1934 | E.R. Llewellyn | Power Transmitting Apparatus | |
 | 2,095,207 | Oct. 05, 1937 | J.M. Walter | Planetary gearing | |
 | 3,145,585 | Aug. 25, 1964 | S.S. Brown | Epi-cycle gear train for floor polisher motor | |
| RE26,007 | Apr. 26, 1966 | E.P. Bullard, IV, E.P. Bullard, III | Control Mechanism | ||
| 5,269,733 | Dec. 14, 1993 | P.M. Anthony | Power Tool Plastic Gear Train | ||