| Patents Granted on 1991-02-?? |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 4,989,479 | Feb. 05, 1991 | R.C. White, A.D. Anderson | Plier Jaws | pliers |
| 4,990,037 | Feb. 05, 1991 | D.S. Strait | Portable Boring Machine | portable metal boring and drilling machines |
| 4,991,470 | Feb. 12, 1991 | R.P. Singleton | Socket Wrench With Improved Handle | |
| 4,991,503 | Feb. 12, 1991 | R.W. Morner | High pressure intaglio cantilever press | |
| 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 | |
