| All Patents in class 81/380 |
Patents 16 -
29
of 29
      |
| Number | Date | Patentee | Title | Type |
| 2,592,803 | Apr. 15, 1952 | J.G. Heim | Release And Adjusting Means For Vise-Type Wrenches | locking pliers |
| 2,592,807 | Apr. 15, 1952 | H.T. Jones | Locking Wrench And Plier | locking pliers |
| 2,598,650 | May 27, 1952 | L.H. Eriksen, J.L. Smith | Snap Lock Plier With Unlocking Lever | locking pliers |
| 2,604,803 | Jul. 29, 1952 | F.G. McCann | Plier-Type, Toggle Actuated Wrench | locking pliers |
| 2,617,312 | Nov. 11, 1952 | B.O. Prentice | Mechanical Movement | locking pliers |
| 2,639,638 | May 26, 1953 | C. Gould | Toggle-Actuated Carriage Bolt Wrench | locking pliers |
| 2,641,149 | Jun. 09, 1953 | C. Petersen | Gripping Tool | clamps |
| 2,705,899 | Apr. 12, 1955 | H.A. Berger | Release Mechanism For A Lever Jaw Wrench | locking pliers |
| 2,711,663 | Jun. 28, 1955 | W. Petersen | Toggle Locking Wrenches | locking pliers |
| 2,905,038 | Sep. 22, 1959 | D.D. Paden | Toggle Wrench With Slidable Adjustment for Movable Jaw | locking pliers |
| 2,920,518 | Jan. 12, 1960 | G.M. La Pointe | Toggle-Joint Wrench with Cam Release Means | locking pliers |
| 3,262,343 | Jul. 26, 1966 | R.W. Weller | Toggle Wrench Having Automatic Abutment Adjusting Means | locking pliers |
| 5,056,385 | Oct. 15, 1991 | R. Petersen | Compound Toggle Link | locking pliers |
| 6,012,362 | Jan. 11, 2000 | C. Wang | Utility Pliers | locking pliers |
