Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5253462 | Fluted metal lay-in subceiling panel | Richard M. O'Toole | 1993-10-19 |
| 4949517 | Wire grid subceiling panel | Richard M. O'Toole | 1990-08-21 |
| 4848054 | Miniature ceiling beam T-bar cover cap | Richard M. O'Toole | 1989-07-18 |
| 4189888 | Decorative ceiling system | — | 1980-02-26 |