Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883365 | Device for measuring subsurface temperatures of liquid bodies, useful for determining optimum fishing locations | Lloyd A. Woodard | 1989-11-28 |
| 4882132 | Solvent extraction of cobalt using hydroxamic acids | Arthur R. Henn | 1989-11-21 |