Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6920409 | Apparatus for testing operation of an emergency valve | — | 2005-07-19 |
| 6089269 | Partially stroking an emergency valve | — | 2000-07-18 |
| 5893047 | Monitoring apparatus and method | Christopher Francis Gimblett | 1999-04-06 |