Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6034208 | Copolymers useful as cement additives and a process for their preparation | Kenneth G. McDaniel, Edward T. Shawl | 2000-03-07 |
| 5985989 | Method of making a water reducing additive for cement | Edward T. Shawl | 1999-11-16 |
| 5725654 | Cement composition | Edward T. Shawl, Kenneth G. McDaniel | 1998-03-10 |