Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5997284 | Portable flare tank for degassing of drilling fluid | Richard Brian Gustafson, Evert Todd Gustafson, Paul Wierzba, Glen Darrell Worm | 1999-12-07 |
| 5807095 | Portable flare tank | Richard Brian Gustafson, Evert Todd Gustafson | 1998-09-15 |