Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7882657 | Window assembly with upper sash rail stiffening member supporting tilt latch bolts | Michael A. Duncan, Christopher R. Ballard | 2011-02-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7882657 | Window assembly with upper sash rail stiffening member supporting tilt latch bolts | Michael A. Duncan, Christopher R. Ballard | 2011-02-08 |