Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6675634 | Branch pipe/tank nozzle test plug and method of use | Henry Brandenberger | 2004-01-13 |
| 5676174 | Outer diameter pipe plug | Henry Brandenberger, Eugene E. Cunningham | 1997-10-14 |