Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5839465 | Above-ground tank auto-limiter | Paul E. Phillips, James F. Biesecker | 1998-11-24 |
| 5655565 | Above-ground tank auto-limiter | Paul E. Phillips, James F. Biesecker | 1997-08-12 |
| 5033519 | Storage tank flow control valve | Leo J. LeBlanc, Robert P. Whitney, Elmer P. Klop | 1991-07-23 |