| Patents for none listed |
Patents 2971 -
2985
of 3294
      |
| Number | Date | Patentee | Title | Type |
| 4,849,744 | Jul. 18, 1989 | C.F. Govekar, M.C. Putrow | Digital Engine Analyzer | |
| 4,851,833 | Jul. 25, 1989 | C.F. Govekar | Digital Engine Analyzer | |
| 4,863,267 | Sep. 05, 1989 | M.A. Norris, E.S. Wahoski, R.B. Bendickson | Fiber Optic Toe/Track Measurement System | |
| 4,879,847 | Nov. 14, 1989 | R.D. Giese, K.C. Happ, J.K. Butzen | Cover for Pneumatic Tool | |
| 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 | |
| 4,907,476 | Mar. 13, 1990 | R.P. Singleton | Socket Wrench With Improved Handle | ratchet wrenches |
| D307,236 | Apr. 17, 1990 | M.S. Bakula, S.R. Wente, T.S. Severson, D.J. Caldwell, S.S. Cascio | Screwdriver | screwdrivers |
| 4,919,020 | Apr. 24, 1990 | D.A. Huebschen | Spring-Loaded Magnetic Driver and Method of Assembly Thereof | |
| 4,922,574 | May 08, 1990 | J.A. Parise, G.R. Slivon, C.H. Heiligenthal | Caster Locking Mechanism and Carriage | |
| 4,924,737 | May 15, 1990 | S.A. Gommow | Positive Drive Ratchet | ratchet wrenches |
| 4,934,220 | Jun. 19, 1990 | J.W. Roberts, J.R. Annis, R.J. Slusar | Sealed Reversible Ratchet Wrench | ratchet wrenches |
| 4,934,222 | Jun. 19, 1990 | D.D. Grover, N.C. Rittmann | Ergonomic Tool | pliers |
| 4,936,701 | Jun. 26, 1990 | K.D. Allen, J.S. Amtmann | Universal Joint with Rotating Holder Sleeve | socket wrenches |
| 4,937,527 | Jun. 26, 1990 | R.D. Geisler, D.G. Thibedeau, C.F. Govekar, J.C. Sniegowski | Lead Assembly for a Distributorless Ignition Interface | |
