Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6772838 | Lightweight particulate materials and uses therefor | Jeffrey C. Dawson | 2004-08-10 |
| 6749025 | Lightweight methods and compositions for sand control | Harold Dean Brannon, Christopher John Stephenson | 2004-06-15 |