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| All Patents in class 173/182 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,920,082 | Nov. 18, 1975 | E.C. Dudek | Power tool with torque sensing control means | ||
| 3,926,264 | Dec. 16, 1975 | F.G. Bardwell, E.C. Dudek | Control circuit for a power tool | ||
| 4,006,784 | Feb. 08, 1977 | E.C. Dudek | Fluid operated power tool | ||
| 4,074,772 | Feb. 21, 1978 | G.N. Jonsson | Torquing tool control circuit | ||
| 4,081,037 | Mar. 28, 1978 | G.N. Jonsson | Control system for a multiple spindle machine | ||
| 4,281,538 | Aug. 04, 1981 | E.C. Dudek | Transducer for indicating torque | ||