Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878930 | Filter cartridge | Eugene W. Sieber, Glenn R. Voshell | 1989-11-07 |
| 4865909 | Microporous anti-fouling marine coating | — | 1989-09-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878930 | Filter cartridge | Eugene W. Sieber, Glenn R. Voshell | 1989-11-07 |
| 4865909 | Microporous anti-fouling marine coating | — | 1989-09-12 |