| Patents Granted on 1990-??-?? |
Patents 1 -
15
of 59
      |
| Number | Date | Patentee | Title | Type |
| 4,890,421 | Jan. 02, 1990 | K.S. Barney, W.R. Moore, Jr. | Automatic Measurement System | measuring tools |
| 4,890,654 | Jan. 02, 1990 | A. Fox | Multi-purpose power tool | bandsaws |
| 4,893,492 | Jan. 16, 1990 | M.B. Martincic | Roll Forging Machine and Method | forging machines |
| 4,895,057 | Jan. 23, 1990 | H. Wolters, H.W. Obrig, G. Berstein | Machine Tool For Broaching Crankshaft Connecting Rod Bearings | broaching machines |
| 4,895,336 | Jan. 23, 1990 | R.G. Lieberman | Improved Power Tool | |
| 4,898,524 | Feb. 06, 1990 | J.K. Butzen | Fluid Driven Rotary Motor | |
| 4,899,626 | Feb. 13, 1990 | K. Lymburner | Bolt or stud mounting and extracting tool | stud extractors |
| 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 |
| D307,102 | Apr. 10, 1990 | B. Desnoulez | Corkscrew | mechanical cork extractors |
| 4,915,148 | Apr. 10, 1990 | A. Fox | Multi-purpose power tool | jointers |
| D307,236 | Apr. 17, 1990 | M.S. Bakula, S.R. Wente, T.S. Severson, D.J. Caldwell, S.S. Cascio | Screwdriver | screwdrivers |
