Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4573240 | Vertical closure hinge with an anti-binding feature | — | 1986-03-04 |
| 4497357 | Sectional folding closure | — | 1985-02-05 |
| 4475268 | Closure hinge improvements | — | 1984-10-09 |
| 4434525 | Hinge having open curved portions | — | 1984-03-06 |
| 4408369 | Mounting assembly for a folding closure | — | 1983-10-11 |
| 4383569 | Folding closure | — | 1983-05-17 |
| 4380260 | Folding closure with a sweeper | — | 1983-04-19 |
| 4357981 | Panic bar assembly | — | 1982-11-09 |
| 4315648 | Lock bolt | — | 1982-02-16 |