Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4637446 | Building and bi-fold door assembly | Coy E. McQueen, Edwin H. Thurnau | 1987-01-20 |
| 4483045 | Self-cleaning, self-centering door track having an _integral mount | Kenneth B. Shelton, Klaus Herkert | 1984-11-20 |
| 4448232 | Bi-fold door assembly | Coy E. McQueen | 1984-05-15 |