Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5150756 | Well completion apparatus | — | 1992-09-29 |
| 4909322 | Casing centralizer | Ronnie G. Patterson | 1990-03-20 |
| 4625762 | Auto-fill flow valve | Guy L. McClung, III | 1986-12-02 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5150756 | Well completion apparatus | — | 1992-09-29 |
| 4909322 | Casing centralizer | Ronnie G. Patterson | 1990-03-20 |
| 4625762 | Auto-fill flow valve | Guy L. McClung, III | 1986-12-02 |