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| Patents for Sigmund Mandl | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,242,613 | May 20, 1941 | S. Mandl | Torque Wrench | torque wrenches | |
| 2,520,652 | Aug. 29, 1950 | S. Mandl, E.M. Pfauser | Adjustable Tool Handle | wrench handle components | |