Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8716627 | Welding systems and methods | Robert J. Hogan, Surendra Singh, Andy Kinney, Randal Easterwood | 2014-05-06 |
| 6553778 | Multi-stage refrigeration system | Russ Tipton, Terry Bush, Mike Graham | 2003-04-29 |