Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672579 | Water based dimethyl ester cleaning solution | Iris Margarita Diaz, Mark Weir Heininger | 1997-09-30 |
| 5624599 | Liquid hardeners for soil grouting formulations | Alexandra Torres | 1997-04-29 |