Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5778327 | Guidewire controls for a material handling vehicle | Christopher J. Hellmann, Richard M. Day | 1998-07-07 |
| 5579227 | Lift truck diagnostics | James W. Davis | 1996-11-26 |
| 5123081 | Temperature control system for motors and power components of a material handling vehicle | Michael S. Bachman, David L. Kellogg, Issac Avitan | 1992-06-16 |
| 5113344 | Material handling vehicle identification tag | David L. Kellogg, Michael S. Bachman, Isaac Avitan | 1992-05-12 |