Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5826851 | Plastic mounting membrane using electrostatic attraction | — | 1998-10-27 |
| 5235967 | Electro-magnetic impact massager | Roger E. Mitchell | 1993-08-17 |
| 5203993 | Method and apparatus for removing salt from sea water | — | 1993-04-20 |
| 5167878 | Submersible aeration device | Charles C. S. Song | 1992-12-01 |
| 4909936 | Water aerating system | — | 1990-03-20 |
| 4680148 | Mobile pond aerating system | Coy E. Replogle | 1987-07-14 |
| 4659485 | Method and apparatus for aerating flowing water raceways | Thomas Andrew Rasmussen, III | 1987-04-21 |
| 4585977 | Electronic motor | Roger E. Mitchell | 1986-04-29 |
| 4535279 | Impulse motor structure, drive system and control circuit | Roger E. Mitchell | 1985-08-13 |
| 4522151 | Aerator | Coy E. Replogle | 1985-06-11 |
| 4498551 | Battery-driven vehicle and recharging system | — | 1985-02-12 |