| All Patents in class 81/480 |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 127,902 | Jun. 11, 1872 | H.R. Leonard | Improvement in Balance or Indicator Wrench | torque wrenches |
| 2,601,799 | Jul. 01, 1952 | R.E. Garwood | Predetermined Torque Release Wrench | torque wrenches |
| 2,826,107 | Mar. 11, 1958 | R.G. Woods | Ratcheting Torque-Limiting Wrench | ratchet wrenches |
| 2,972,271 | Feb. 21, 1961 | M.J. Gill | Predetermined Torque Release Hand Tool | torque wrenches |
| 7,127,955 | Oct. 31, 2006 | M.L. Petroske, J. Bondhus | Torque limiting handle | wrench handle components |
