Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9717192 | Fill and drain fittings for a hydroponic flood table | Steven R. Sawicki | 2017-08-01 |
| 6709582 | Combined filter and skimmer assembly for ponds | — | 2004-03-23 |
| 6309188 | Magnetic drive centrifugal pump having ceramic bearings, ceramic thrust washers, and a water cooling channel | — | 2001-10-30 |
| 5967744 | Centrifugal pump having anti-clogging backflow prevention gate | — | 1999-10-19 |
| 5586862 | Centrifugal pump having a slidable gate | — | 1996-12-24 |
| 5078867 | Aquarium filter/protein skimmer system | — | 1992-01-07 |
| 4907799 | Extensible-retractable pool and billiard cue bridgestick | H. Jack Danner | 1990-03-13 |