Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5865210 | Valve assembly | David P. Bailey | 1999-02-02 |
| 5299597 | Valve operating handle | Alan George Smithson | 1994-04-05 |
| 5156374 | Valve assembly | Stephen Davenport | 1992-10-20 |
| 5105966 | Manlid for a container tank | Alan George Smithson | 1992-04-21 |
| 4915355 | Seal | — | 1990-04-10 |
| 4691734 | Valve seals | — | 1987-09-08 |
| 4590959 | Valves | — | 1986-05-27 |
| 4498601 | Lids for pressure vessels | — | 1985-02-12 |