Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4456728 | Grout restoration | John Garuti, JR., Karl Merkel | 1984-06-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4456728 | Grout restoration | John Garuti, JR., Karl Merkel | 1984-06-26 |