Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6939834 | Grout for making watertight screens | — | 2005-09-06 |
| 6506249 | Delayed-setting concrete | — | 2003-01-14 |
| 6447599 | Method of limiting the release of organic materials into the environment during the making of foundations, and concrete which can be used in said method | Daniel Gouvenot | 2002-09-10 |