Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8453386 | Molded sectioned riser and locking cover | — | 2013-06-04 |
| 8261622 | System for sampling sludge | — | 2012-09-11 |
| 8245452 | Molded sectioned riser and locking cover | — | 2012-08-21 |
| 7966786 | Molded sectioned riser and locking cover | — | 2011-06-28 |
| D571433 | Flow-through filter cartridge | — | 2008-06-17 |
| 6811692 | Bristled septic filter | — | 2004-11-02 |
| 6167914 | Orifice protector | — | 2001-01-02 |
| 5885452 | Effluent filtering apparatus | — | 1999-03-23 |