Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6526712 | Extruded composite interlocking corner assembly | Joseph G. Brooks, James E. Roach | 2003-03-04 |
| 5611173 | Continuous sidelight sill with adaptable threshold caps and removable paint shield | J. Charles Headrick, Robert T. Ellingson | 1997-03-18 |