Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6634375 | Leak arresting valve | John D. Olivas, Patrick J. Cunningham, William Ronald Martis, Juan Olivas, Ray D. Kelm | 2003-10-21 |
| 6173734 | Leak arresting mechanical flow control valve | John D. Olivas, Patrick J. Cunningham | 2001-01-16 |