Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4736967 | Tubular pin configuration to prevent galling while ensuring sealing | Keith C. Mott, Gary E. Kirsch, H. Paul Barringer | 1988-04-12 |
| 4676529 | Pipe joint | — | 1987-06-30 |
| 4373754 | Threaded connector | Charles A. Bollfrass, Leonard Landriault | 1983-02-15 |