Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8048219 | Method of placing concrete | Daniel Woolfsmith, Michael T. Williams, Rick Hughes, Michael R. Kelley, John K. Madish +1 more | 2011-11-01 |
| 7648574 | Lightweight concrete compositions | Tricia Guevara, Michael T. Williams, Rick Hughes, Michael R. Kelley, John K. Madish | 2010-01-19 |