Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4813714 | Petroleum equipment tubular connection | Colin B. Fairey, Elliott Frauenglass | 1989-03-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4813714 | Petroleum equipment tubular connection | Colin B. Fairey, Elliott Frauenglass | 1989-03-21 |