Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7670423 | Cement composition comprising environmentally compatible defoaming agents and methods of use | J. Michael Wilson, Samuel J. Lewis, Bryan K. Waugh | 2010-03-02 |
| 7273103 | Cement compositions comprising environmentally compatible defoaming agents and methods of use | J. Michael Wilson, Samuel J. Lewis, Bryan K. Waugh | 2007-09-25 |