Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7252165 | Hybrid electric vehicle | Robert Gruenwald, Jeff T. Major | 2007-08-07 |
| 7004273 | Hybrid electric vehicle | Robert Gruenwald, Jeff T. Major | 2006-02-28 |
| 6827164 | Industrial truck | Richard A. Hallett, Jeffrey T. Major | 2004-12-07 |
| 6651759 | Hybrid electric vehicle | Robert Gruenwald, Jeff T. Major | 2003-11-25 |
| 6484830 | Hybrid electric vehicle | Robert Gruenwald, Jeff T. Major | 2002-11-26 |
| 6050788 | Pump with improved seal for filtration systems | Stephen N. McEwen, Richard A. Hallett, Robert F. Benschoter, Scott M. McEwen | 2000-04-18 |
| 5655849 | Couplings for joining shafts | Stephen N. McEwen, Richard A. Hallett, Robert F. Benschoter, Scott M. McEwen | 1997-08-12 |
| 5503520 | Pump for filtration systems | Stephen N. McEwen, Richard A. Hallett, Robert F. Benschoter, Scott M. McEwen | 1996-04-02 |
| 4424147 | Stabilization of perchloroethylene dielectric fluids | Robert A. Kurz | 1984-01-03 |
| 4415629 | Insulated conductor | Henry A. Pearce, Jr., Curtis L. Moore | 1983-11-15 |