Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6176248 | Submerged hydraulic value actuator with leak protection | Robert A. Levine | 2001-01-23 |
| 5069145 | Plastic refuse disposal system | — | 1991-12-03 |
| 4962661 | Liquid level sensing switch actuator | Robert A. Levine | 1990-10-16 |