Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867333 | High-pressure pin plug | Stephen E. Anderson, Jeffrey C. Dickey | 1989-09-19 |
| 4804468 | Self-retaining smooth bore insert | Leighton Lee, II | 1989-02-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867333 | High-pressure pin plug | Stephen E. Anderson, Jeffrey C. Dickey | 1989-09-19 |
| 4804468 | Self-retaining smooth bore insert | Leighton Lee, II | 1989-02-14 |