| All Patents in class 81/416 |
Patents 31 -
37
of 37
      |
| Number | Date | Patentee | Title | Type |
| 2,727,417 | Dec. 20, 1955 | J. Eifel | Pliers with Adjustable Toothed Pivot for Engaging Slots | pliers |
| 3,404,457 | Oct. 08, 1968 | J.E. Swanstrom, Sr. | Hand Tool | pliers |
| 4,603,607 | Aug. 05, 1986 | B.P. Schaffner, Jr. | Pivot Connection for Slip Joint | pliers |
| 4,726,266 | Feb. 23, 1988 | H. Wiener, H. Undin | Pair of Pliers | pliers |
| 5,020,399 | Jun. 04, 1991 | D.M. Eggert, J.R. Annis | Self-Adjusting Pliers with Curved Handles | pliers |
| 5,220,856 | Jun. 22, 1993 | C.D. Thompson, F. Mikic, B. Krivec, J.H. Hoff, D.M. Eggert | Pivotal Hand Tool and Pivot Joint Therefor | pliers |
| 5,904,078 | May 18, 1999 | C.D. Thompson, E.T. Gustafson | Pliers with Flush Joint Bias Spring | pliers |
