Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685555 | Lift truck with inertial damper | Eric Douglas Springston, II, Robert J. Lewis | 1997-11-11 |
| D336713 | Control handle for a material handling vehicle | Isaac Avitan, Robert R. Huntley, Eugene A. Helmetsie, Christian D. Gibson | 1993-06-22 |
| D335741 | Control handle for a material handling vehicle | Eugene A. Helmetsie, Isaac Avitan, Robert J. Lewis | 1993-05-18 |
| 4754837 | Lift truck steering apparatus | — | 1988-07-05 |
| D292245 | Frame for display of posters | — | 1987-10-13 |
| 4527943 | Load handling method and apparatus | — | 1985-07-09 |
| 4316259 | Programmable function generator | Charles D. Albrecht | 1982-02-16 |
| 4236862 | Material handling apparatus | — | 1980-12-02 |