Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7647774 | Cryogenic cogeneration system | Mark Shirk, Wesley W. Welgel | 2010-01-19 |
| 6616524 | Raised floor air handling unit | Wesley Weigel, Jay Ray | 2003-09-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7647774 | Cryogenic cogeneration system | Mark Shirk, Wesley W. Welgel | 2010-01-19 |
| 6616524 | Raised floor air handling unit | Wesley Weigel, Jay Ray | 2003-09-09 |