| All Patents in class 81/63.1 |
Patents 31 -
41
of 41
      |
| Number | Date | Patentee | Title | Type |
| 2,978,081 | Apr. 04, 1961 | D.M. Lundin | Devices in Ratchet Wrenches | ratchet wrenches |
| 4,735,120 | Apr. 05, 1988 | A.F. Beugelsdyk | Ratcheting Tool Driver &c. | ratcheting screwdrivers |
| 4,777,852 | Oct. 18, 1988 | A.J. Bliemeister, D.J. Caldwell, T.R. Herman, M.S. Bakula, E.T. Gustafson | Ratcheting Screwdriver | |
| 4,793,222 | Dec. 27, 1988 | A.F. Beugelsdyk | Ratcheting Tool Driver, &c. | ratcheting screwdrivers |
| 5,437,212 | Aug. 01, 1995 | J.R. Hoephl, C.D. Thompson | Ratcheting Screwdriver | screwdriver mechanisms |
| 5,520,073 | May 28, 1996 | G.L. Socha, C.D. Thompson, D.M. Eggert, G.R. Bakula | Reversible Ratcheting Screwdriver with Spinner and Ergonomic Handle | screwdrivers |
| 5,711,193 | Jan. 27, 1998 | C.D. Thompson, D.M. Eggert | Reversible Ratcheting Screwdriver with Improved Reversing Ring | |
| 5,921,158 | Jul. 13, 1999 | J.H. Hoff, R.J. Slusar | Sealed Reversible Ratchet Wrench | ratchet wrenches |
| 5,983,757 | Nov. 16, 1999 | E.S. Wahoski, B.G. Blise | Ratchet Mechanism with Laminated Parts and Method of Making Same | ratchet wrenches |
| 6,079,298 | Jun. 27, 2000 | S.R. Wente, N.C. Gasperi | Ergonomic handle and driver incorporating same | ratchet wrenches |
| 6,125,722 | Oct. 03, 2000 | K.E. Kessler, C.H. Heiligenthal, W.A. Nurmi, R.L. Hopper, Jr. | Ratchet Wrench with Sealed Reversing Lever | ratchet wrenches |
