Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5611363 | Oil spill cleaner | Willis R. Campbell, Forrest L. Robinson, Bruce A. Perry | 1997-03-18 |
| 5423340 | Apparatus for removing an oil spill on a body of water | Willis R. Campbell, Forrest L. Robinson, Bruce A. Perry | 1995-06-13 |