Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4347224 | Chemical dispenser | Adolf F. Beckert, Duane D. Nowlin | 1982-08-31 |
| 4332685 | Method and apparatus for treating water | Duane D. Nowlin | 1982-06-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4347224 | Chemical dispenser | Adolf F. Beckert, Duane D. Nowlin | 1982-08-31 |
| 4332685 | Method and apparatus for treating water | Duane D. Nowlin | 1982-06-01 |