Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6999883 | Landfill gas extraction constant flow control method and device | John D. Brady, Robin Marks | 2006-02-14 |
| D459653 | Bung for sealing a container | Robin Marks | 2002-07-02 |