Issued Patents All Time
Showing 51–56 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6743354 | Drain guard catch basin | R. Douglas Evans, JR., Matthew J. Huff | 2004-06-01 |
| 5954218 | Open head container cover | — | 1999-09-21 |
| 5931330 | Open head container cover | — | 1999-08-03 |
| 5676185 | Vented drum funnel | Robert Forsythe | 1997-10-14 |
| 5601715 | Mutli-stage grease trap filter and skimmer | Dennis G. Middleton | 1997-02-11 |
| 5562047 | Modular spill deck | Frank G. Forney, Matthew J. Huff, Mark Shaw | 1996-10-08 |