Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9930744 | Integrated fish diversion system, and lighting device used therein | Alexander Michael Sills, Timothy Charlton Patrick | 2018-03-27 |
| 6955759 | Porous dike intake structure for fish diversion | Henry E. Kowalyk, Otto Herrmann | 2005-10-18 |
| 6203170 | Fish attracting or repelling device comprising diode array | Scott Poulton | 2001-03-20 |
| 6199831 | Non-electric perimeter fence | Scott Poulton | 2001-03-13 |
| 5956463 | Audio monitoring system for assessing wildlife biodiversity | Narayan Ramani, William G. Hanson, Ronald Sheehan, Robert L. Jennette | 1999-09-21 |
| 5291858 | Sound conditioning in fish | Janusz J. Kowalewski, Edward A. McLeod, Alexander Sakuta, Michael B. Colbert | 1994-03-08 |
| 4949318 | Hydroacoustic sonar equipment | Gerald A. Hunt, Blair E. Sim | 1990-08-14 |
| 4646276 | Acoustic fish behavioral control device | Janusz J. Kowalewski, Jerry W. Forest, Alan E. Christie | 1987-02-24 |