| Patents for none listed |
Patents 2851 -
2865
of 3140
      |
| Number | Date | Patentee | Title | Type |
| 4,982,612 | Jan. 08, 1991 | N.C. Rittmann | Torque Wrench with Measurements Independent of Hand-Hold Position | torque wrenches |
| 4,989,479 | Feb. 05, 1991 | R.C. White, A.D. Anderson | Plier Jaws | pliers |
| 4,991,470 | Feb. 12, 1991 | R.P. Singleton | Socket Wrench With Improved Handle | |
| 4,993,167 | Feb. 19, 1991 | D.L. Durfee, Jr. | Dressing Tool Gauge for Positioning Cutting Tools in Removable Head Type Dressers | measurement gauges |
| 4,993,289 | Feb. 19, 1991 | J.R. Parks | Drive Element with Drive Bore Having Compound Entry Surface | |
| 4,994,890 | Feb. 19, 1991 | D.J. Caldwell | Rectifier Structure with Individual Links | |
| 5,004,984 | Apr. 02, 1991 | M.M. Crass, S.S. Rameshk, T.P. Becker | Magnetic Field Pickup Assembly for Diagnositics on Specific Engine | |
| 5,005,449 | Apr. 09, 1991 | D.L. Gatzemeyer, J.A. Sorensen | Hand Tool or Improved Bar Clamp | clamps |
| 5,011,324 | Apr. 30, 1991 | G.A. Putney | Detent Structure Having a Retaining Lip with a Smooth Continuous Outer Surface Free from Stress-Concentrating Corners | |
| 5,012,581 | May 07, 1991 | D.P. Cummings, D.H. Mallalieu, W.D. Fletcher | Universal Utility Knife | utility knives |
| 5,020,205 | Jun. 04, 1991 | G.A. Wridt | Freeze Plug Installer Head and Tool Kit Including Same | |
| 5,020,399 | Jun. 04, 1991 | D.M. Eggert, J.R. Annis | Self-Adjusting Pliers with Curved Handles | pliers |
| 5,022,289 | Jun. 11, 1991 | J.K. Butzen | Ratchet Tool with Flattened Pocket | |
| 5,022,292 | Jun. 11, 1991 | C.P. Pietron, G.J. Silage, R.C. Hammer | Tool for Installation of Clip | pliers |
| 5,038,869 | Aug. 13, 1991 | G.E. Olson | Fatigue-Resistant Spindle End | |
