Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8357240 | Method of making concrete | Alan Sweat, Tricia G. Ladely | 2013-01-22 |
| 8167998 | Lightweight concrete compositions | Tricia Ladely (Guevara), Michael T. Williams, Rick Hughes, Michael R. Kelley, John K. Madish | 2012-05-01 |
| 7820094 | Lightweight concrete compositions | Tricia Ladely (Guevara), Michael T. Williams, Rick Hughes, Michael R. Kelley, John K. Madish | 2010-10-26 |