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| All Patents in class 318/17 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,117,140 | Nov. 10, 1914 | J.A. Osborn | Portable electrically-driven tool | |
| 2,473,286 | Jun. 14, 1949 | A.W. Mall | Flexible shaft machine | ||
| 2,845,589 | Jul. 29, 1958 | J.H. Osgood | Electronic Table Motor Drive Unit for Optical Comparators and the Like | ||
| 3,198,078 | Aug. 03, 1965 | W.D. Zettler, G.H. Schurger | Machine Tool Control Center | ||