Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7721754 | Tapping tee assembly with cap assembly | Jason Knaus, Shawn Houlahan | 2010-05-25 |
| 5590914 | Field assembled gas riser | David K. Platner, James Lorenz, Michael Brennan | 1997-01-07 |