| Patents Granted on 1990-03-?? |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 4,905,366 | Mar. 06, 1990 | D.J. Warner | Method of Installing a Positive Bearing Housing Seal | shaft seals |
| 4,906,008 | Mar. 06, 1990 | D.J. Warner | Mechanical Seal | shaft seals |
| 4,907,476 | Mar. 13, 1990 | R.P. Singleton | Socket Wrench With Improved Handle | ratchet wrenches |
| 4,907,481 | Mar. 13, 1990 | J. Dvorak, C.J. Dvorak | Powered press with manual punch and die alignment capability | metal punching machines |
| 4,910,984 | Mar. 27, 1990 | P.D. McGee, C. Young | Progressive roll bender | pipe bending machines |
