Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8888432 | Tubular delivery apparatus and system | Perry Guidroz, Donald R. Harrington | 2014-11-18 |
| 5101896 | Pipe wiper and washer system | J. Patrick Thompson, Henry Guillory, by Margaret S. Guillory, executor, by Carroll L. Guillory, heir, by Laura P. Broussard, heir | 1992-04-07 |
| 4895205 | Pipe washer and chemical applicator system | J. Patrick Thompson, Henry Guillory | 1990-01-23 |