| Patents for none listed |
Patents 2956 -
2970
of 3294
      |
| Number | Date | Patentee | Title | Type |
| 4,789,001 | Dec. 06, 1988 | L.W. Durham, B.S. Backe | Operating System for a Valve | |
| 4,790,233 | Dec. 13, 1988 | L.W. Durham, B.S. Backe | Method and Apparatus for Controlling Hydraulic Systems | machine tool controls |
| IT-1,198,335 | Dec. 21, 1988 | J. Harman | Locking Device for Setting Component in Machine Tool - Has Signal Generator Comprising Switch and Holes to Monitor Setting | metalworking machine mechanisms |
| 4,794,828 | Jan. 03, 1989 | G.E. Olson | Quick Release Mechanism for Ratchet Wrench | ratchet wrenches |
| 4,800,378 | Jan. 24, 1989 | C.F. Govekar, L.J. Wisneski, M.C. Putrow, R.O. Quinn, D.W. Weidenbenner, G. Lindhard, G.D. Jonker | Digital Engine Analyzer | |
| 4,802,389 | Feb. 07, 1989 | W.E. Shultz | Adjustable Workpiece Gripping and Rotating Device | |
| 4,804,921 | Feb. 14, 1989 | R.O. Quinn, D.W. Weidenbenner, G. Lindhard, G.D. Jonker, C.F. Govekar, L.J. Wisneski, M.C. Putrow | Digital Engine Analyzer | |
| 4,812,768 | Mar. 14, 1989 | R.O. Quinn | Digital Engine Analyzer | |
| 4,816,752 | Mar. 28, 1989 | D. Mieczkowski, K.M. Andrews, S.E. Michalski | Method and Apparatus for Low Power Offset Correction of Amplified Sensor Signals | |
| 4,819,521 | Apr. 11, 1989 | J.W. Lang | Ratchet Box Wrench with Offset Handle | ratchet wrenches |
| 4,825,734 | May 02, 1989 | G.R. Slivon, P.K. Schwalbe | Variable Leverage Tool Handle | tool handles |
| 4,829,805 | May 16, 1989 | T.J. Koehn | Crimp Tool | |
| 4,833,831 | May 30, 1989 | W.T. Armstrong, Jr. | Apparatus and Method for Sizing and Finishing Fixed Jaw Openings of Open-Ended Wrenches | wrench components |
| 4,845,792 | Jul. 11, 1989 | A.J. Dingolecki, D.J. Caldwell, G.R. Bakula | Two-Part Adjustable Approach Ramp | |
| IT-1,209,321 | Jul. 16, 1989 | J. Harman | Machine Tool With Rotating Workpiece Holder - Has Two Opposite Slide Tracks for Mounted Tool Arrangements | tool changers and storage mechanisms |
