Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5149221 | Angled connection of suspended ceiling tees | — | 1992-09-22 |
| 4646506 | Linear panel ceilings and the like | — | 1987-03-03 |
| 4598521 | Suspension ceiling grid with end connector | Brian T. Everitt | 1986-07-08 |