Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4523608 | Rotary ball valve assembly | — | 1985-06-18 |
| 4467823 | High pressure ball valve | Charles D. Shaffer | 1984-08-28 |
| 4188860 | Locking mechanism | — | 1980-02-19 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4523608 | Rotary ball valve assembly | — | 1985-06-18 |
| 4467823 | High pressure ball valve | Charles D. Shaffer | 1984-08-28 |
| 4188860 | Locking mechanism | — | 1980-02-19 |