Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5842346 | Absorbent cartridge for release mechanism powered by contact with fluid | — | 1998-12-01 |
| 5146778 | Oil and/or water detection apparatus | — | 1992-09-15 |
| 4890485 | Mechanism which reacts to the presence of oil and/or water | — | 1990-01-02 |
| 4448027 | Cartridge containing water expandable members | — | 1984-05-15 |
| 4419236 | Water detecting or absorbing device for use in and removal from a tank with a limited opening | — | 1983-12-06 |