| All Patents in class 81/380 |
Patents 1 -
15
of 29
      |
| Number | Date | Patentee | Title | Type |
| 1,489,458 | Apr. 08, 1924 | W. Petersen | Wrench | locking pliers |
| 2,201,918 | May 21, 1940 | W. Petersen | Wrench | locking pliers |
| 2,280,005 | Apr. 14, 1942 | W. Petersen | Wrench | locking pliers |
| 2,299,454 | Oct. 20, 1942 | H.C. Borchers | Wrench | locking pliers |
| 2,478,696 | Aug. 09, 1949 | L.E. Isele | Toggle Lever Operated Pliers With Pivoted Jaw Piece | locking pliers |
| 2,489,895 | Nov. 29, 1949 | S.M. Kash | Release Mechanism for Articulated Lever Wrenches | locking pliers |
| 2,496,309 | Feb. 07, 1950 | W.E. Pugh | Lever Actuated Pivot Jaw Wrench | locking pliers |
| 2,499,201 | Feb. 28, 1950 | N.C. Thayer | Automatic Toggle Operated Grip Wrench | locking pliers |
| 2,514,130 | Jul. 04, 1950 | H.T. Jones | Locking Wrench and Pliers | locking pliers |
| 2,521,276 | Sep. 05, 1950 | F.W. Lampe | Toggle Action Self-Locking Wrench and/or Nonlocking Pliers | locking pliers |
| 2,532,659 | Dec. 05, 1950 | B. Burns | Snap-Lock Wrench | locking pliers |
| 2,574,676 | Nov. 13, 1951 | G.J. Waterbury | Toggle Actuated, Plier-Type Wrench | locking pliers |
| 2,576,286 | Nov. 27, 1951 | M. Eisenberg | Quick Release Attachment For Vise Grip Pliers | locking pliers |
| 2,589,511 | Mar. 18, 1952 | C.H. Redman | Release Mechanism for Toggle Actuated Type Wrenches | locking pliers |
| 2,590,750 | Mar. 25, 1952 | B. Burns | Releasing Means for Toggle-Actuated Wrench | locking pliers |
