Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10089989 | Method and apparatus for a low power voice trigger device | Robert L. Brennan | 2018-10-02 |
| 4758353 | Removal of heavy metals from waste streams | Michael Spence, John M. Kozaruk, Stephen M. Gardocki | 1988-07-19 |