Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6334280 | Sound absorbing cementitious tile | Etienne Frappart, David Townsend, William J. McMillan, William Bell Devereux | 2002-01-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6334280 | Sound absorbing cementitious tile | Etienne Frappart, David Townsend, William J. McMillan, William Bell Devereux | 2002-01-01 |