Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851163 | Biofouling resistant apparatus for wastewater treatment | Chad A. Sheckler | 1989-07-25 |
| 4802872 | Regulated aeration of gases exhausting through a propeller | — | 1989-02-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851163 | Biofouling resistant apparatus for wastewater treatment | Chad A. Sheckler | 1989-07-25 |
| 4802872 | Regulated aeration of gases exhausting through a propeller | — | 1989-02-07 |