| All Patents in class 81/379 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 1,504,401 | Aug. 12, 1924 | R.J. Bristol, W.C. Tull | Combined Pliers and Wrench | locking pliers |
| 2,368,906 | Feb. 06, 1945 | A.A. Westman | Wire Cutter | pliers |
| 2,531,285 | Nov. 21, 1950 | E.L. Manspeaker | Wrench With Self-Adjusting Jaws | locking pliers |
| 2,543,922 | Mar. 06, 1951 | L.C. Mead | Release Means For Toggle-Actuated Plier-Type Wrenches | locking pliers |
| 2,714,198 | Jul. 26, 1955 | H.F. Schoetzer | Ground Connector for Electric Welding | |
| 2,853,910 | Sep. 30, 1958 | W. Petersen | Latch Means for Plier type Toggle Wrench | locking pliers |
| 2,997,903 | Aug. 29, 1961 | F. Rommel, R. Rommel | Pliers With Self-Adjusting Toggle Means | locking pliers |
| 3,116,656 | Jan. 07, 1964 | J.L. Hostetter | Self-Adjusting Plier-Type Toggle Locking Wrench | locking pliers |
| 3,208,319 | Sep. 28, 1965 | S.L. Williamson, B.F. Westby | Self-Adjusting Wrench | locking pliers |
| 3,252,360 | May 24, 1966 | C.H. Ortman | Toggle Pliers Having an Adjustable Abutment Means and a Resilient Biasing Means | locking pliers |
| 3,252,361 | May 24, 1966 | C.H. Ortman | Locking Pliers | locking pliers |
| RE26,280 | Oct. 17, 1967 | J.L. Hostetter | Self-Adjusting Plier-Type Toggle Locking Wrench | locking pliers |
| 3,600,986 | Aug. 24, 1971 | E.M. Baldwin, Jr. | Self-Adjusting Locking Wrench | locking pliers |
