Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6054080 | Molded simulated stone product and method | John J. Sheahan, Brian Sheahan | 2000-04-25 |
| 5787667 | Molded simulated stone product and method | John J. Sheahan, Brian Sheahan | 1998-08-04 |