Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5023990 | Device and method for removably retaining components in a smooth bore | Leighton Lee, II | 1991-06-18 |
| 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 |
| 4753727 | Self-retaining smooth bore insert and method of installing same | Leighton Lee, II | 1988-06-28 |
| 4715231 | Maximum pressure indicator | Leighton Lee, II | 1987-12-29 |