Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4999302 | Biological contact gas scrubber for waste gas purification | Brett D. Kahler | 1991-03-12 |
| 4725367 | Buoyant filter media | Brett D. Kahler | 1988-02-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4999302 | Biological contact gas scrubber for waste gas purification | Brett D. Kahler | 1991-03-12 |
| 4725367 | Buoyant filter media | Brett D. Kahler | 1988-02-16 |