Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5948250 | Filter berm | — | 1999-09-07 |
| 5820297 | Permanent berm device | — | 1998-10-13 |
| 5601715 | Mutli-stage grease trap filter and skimmer | Robert J. Starr | 1997-02-11 |
| 5402835 | Drum funnel | — | 1995-04-04 |
| 5236281 | Dikes for damming or diverting liquids | — | 1993-08-17 |
| 5184751 | Drum pump adapter | — | 1993-02-09 |