Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6041564 | Clinched double web grid tee | — | 2000-03-28 |
| 4779394 | Connector for suspension ceiling grid | Gerald L. Koski, Jonathan P. Teli, David F. Mieyal | 1988-10-25 |
| 4679375 | Suspension ceiling grid system with narrow-faced grid | — | 1987-07-14 |
| 4648230 | Locking connection for suspension ceiling grid systems | David F. Mieyal, Robert F. Worley | 1987-03-10 |
| 4598514 | Suspension ceiling grid runner with expansion means | — | 1986-07-08 |
| 4545170 | Expanded metal products | — | 1985-10-08 |
| 4535580 | Screw slot runner system | — | 1985-08-20 |
| 4394794 | Metal fastening system and method | — | 1983-07-26 |