Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7445670 | Foamed cement compositions and associated methods of use | Samuel J. Lewis, Michael J. Szymanski | 2008-11-04 |
| 7191834 | Foamed cement compositions and associated methods of use | Samuel J. Lewis, Michael J. Szymanski | 2007-03-20 |