| All Patents in class 81/483 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 2,732,747 | Jan. 31, 1956 | F.W. Livermont | Predetermined Torque Release Wrench and Spring Adjusting Means Therefor | |
| 2,743,638 | May 01, 1956 | R.G. Woods | Torque-Limiting Wrench | torque wrenches |
| 2,934,985 | May 03, 1960 | J.W. Westphall, P.J. Mutolo | Predetermined Torque Release Wrench | torque wrenches |
| 2,959,078 | Nov. 08, 1960 | R.H. Skidmore | Predetermined Torque Release Wrench | torque wrenches |
| 3,016,773 | Jan. 16, 1962 | R.G. Woods | Predetermined Torque Release Wrench | torque wrenches |
| 3,018,677 | Jan. 30, 1962 | E.G. Boehm, P.J. Mutolo | Cartidge-Type Spring-Bias Means for a Predetermined Torque Release Wrench | torque wrenches |
| RE25,547 | Apr. 07, 1964 | R.H. Skidmore | Predetermined Torque Release Wrench | torque wrenches |
| 3,165,014 | Jan. 12, 1965 | B. Grabovac | Predetermined Torque Release Wrench | torque wrenches |
| 3,270,594 | Sep. 06, 1966 | B. Grabovac | Predetermined Torque Release Wrench | torque wrenches |
