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| All Patents in class 192/18B | |||||
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| Picture | Number | Date | Patentee | Title | |
| 1,948,037 | Feb. 20, 1934 | F.S. Kingston | Electric motor | ||
 | RE22,140 | Jul. 21, 1942 | E. Lochman | Electric tracer control machine for die sinking and the like | |
| 2,470,103 | May 17, 1949 | E. Lochman | Power-operated driving and braking mechanism | ||
| 2,687,197 | Aug. 24, 1954 | L.A. Leifer | Clutch and Brake for Direct Drive Spindle Lathes | ||
| 2,856,044 | Oct. 14, 1958 | H.F. Koenig, III, M.W. Hazelton | Automatic shift two-speed press brake | ||