Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5360293 | In-ground barrier member interlocking joint and seal system | Louis B. Breaux | 1994-11-01 |
| 4826423 | Construction of thermoplastic tubes with tubular ribs by helical winding upon a mandrel | Eric E. Kemp, James H. Miller | 1989-05-02 |