Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5595698 | Method of making multi-color concrete tiles | Thomas G. Nicholas | 1997-01-21 |
| 5406766 | Multi-color concrete tiles and method and apparatus for making same | Thomas G. Nicholas | 1995-04-18 |
| D348317 | Concrete roof tile | John F. Thomas | 1994-06-28 |