Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8187375 | Compositions for use in construction and methods of applying the same | Louis M. Calvo | 2012-05-29 |
| 8007584 | Compositions for use in construction and methods of applying the same | Louis M. Calvo | 2011-08-30 |
| 4456728 | Grout restoration | John Garuti, Sr., Karl Merkel | 1984-06-26 |