| All Patents in class 81/427.5 |
Patents 16 -
24
of 24
      |
| Number | Date | Patentee | Title | Type |
| 1,453,854 | May 01, 1923 | B.H. Parker | Pipe Wrench | pipe wrenches |
| 1,461,270 | Jul. 10, 1923 | F. Garrison | Tool | pliers |
| 2,252,798 | Aug. 19, 1941 | O.B. Arnold | Dental Forceps | dental tools |
| 2,543,922 | Mar. 06, 1951 | L.C. Mead | Release Means For Toggle-Actuated Plier-Type Wrenches | locking pliers |
| 3,216,291 | Nov. 09, 1965 | W.T. Madeira | Hose-Clamp Deforming Pliers | pliers |
| 4,934,222 | Jun. 19, 1990 | D.D. Grover, N.C. Rittmann | Ergonomic Tool | pliers |
| 5,791,002 | Aug. 11, 1998 | R.L. Naas, D.A. Furth, P.F. Lynch, J.A. Hufnagel, O. Stecyk, R. Andersen, J. Quinn, D.A. Swinden, W.A. Gardiner | Multi-purpose Folding Tool | combination tools |
| 5,963,999 | Oct. 12, 1999 | W.A. Gardiner, R.L. Naas, D.A. Furth, P.F. Lynch, J.A. Hufnagel, O. Stecyk, R. Andersen, J. Quinn, D.A. Swinden | Multi-purpose Folding Tool | combination tools |
| 6,219,870 | Apr. 24, 2001 | R. Andersen, J. Quinn, D.A. Swinden | Lock Release Mechanism For A Folding Combination Tool or the Like | combination tools |
