Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5836170 | Vacuum release valve tube assembly | Travis M. Perkins, Brian P. Kelley | 1998-11-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5836170 | Vacuum release valve tube assembly | Travis M. Perkins, Brian P. Kelley | 1998-11-17 |