Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5150753 | Gravel pack screen having retention mesh support and fluid permeable particulate solids | John E. Gaidry, Larry J. Quebedeaux, Joseph F. Donovan | 1992-09-29 |
| 5115864 | Gravel pack screen having retention means and fluid permeable particulate solids | John E. Gaidry, Larry J. Quebedeau, Joseph F. Donovan | 1992-05-26 |
| 5050678 | Gravel pack screen having retention means and fluid permeable particulate solids | John E. Gaidry, Larry J. Quebedeaux, Joseph F. Donovan | 1991-09-24 |
| 4917183 | Gravel pack screen having retention mesh support and fluid permeable particulate solids | John E. Gaidry, Larry J. Quebedeaux, Joseph F. Donovan | 1990-04-17 |
| 4755230 | Method of and composition for removing paraffin deposits from hydrocarbon transmission conduits | Hal W. McSpadden, Tara T. Velasco, Hang T. Nguyen | 1988-07-05 |