| Patents Granted on 1989-05-?? |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 4,825,734 | May 02, 1989 | G.R. Slivon, P.K. Schwalbe | Variable Leverage Tool Handle | tool handles |
| D301,009 | May 09, 1989 | E.J. Pilatowicz, A. Carsello | String trimmer | household |
| 4,827,801 | May 09, 1989 | N.V. Gusching | Offset indexable fixture | |
| 4,828,474 | May 09, 1989 | R. Ballantyne | Hydraulic cylinder device for platen spacing indication and control | hydraulic metalworking presses |
| D301,113 | May 16, 1989 | J. Lapsker | Compact Combination Corkscrew Bottle Opener | pocket and protected cork extractors |
| 4,829,805 | May 16, 1989 | T.J. Koehn | Crimp Tool | |
| 4,829,970 | May 16, 1989 | T.F. Carmichael | Ignition system | |
| 4,833,630 | May 23, 1989 | A.M. Honer, D.P. Braman | Method and Apparatus for the Tridimensional Measuring of an Object | |
| 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 |
