Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6213449 | Handles for bottom outlet valve assembly | Robert H. Dean | 2001-04-10 |
| 5886312 | Switch level control for tank ullage determining system | Gaston C. Barmore, Jr., Joseph C. Fiore, Norman A. Magiera, Robert H. Dean, Jerzy Drazkowicz +1 more | 1999-03-23 |
| 5269342 | T-fitting | Robert H. Dean | 1993-12-14 |
| 5257771 | Powered actuator for valve | Robert H. Dean | 1993-11-02 |
| 5131694 | Joint seal between valve body and removable port | — | 1992-07-21 |
| 4461397 | Protective device for mobile tanks having bottom discontinuities | — | 1984-07-24 |