Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4415186 | Flanging system for suspending casting and tubing columns for high pressure oil or gas wells | — | 1983-11-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4415186 | Flanging system for suspending casting and tubing columns for high pressure oil or gas wells | — | 1983-11-15 |