Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10443283 | Single hung window construction with an upper fixed lite of glass and a movable bottom sash being generally coplanar | William G. Roberts | 2019-10-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10443283 | Single hung window construction with an upper fixed lite of glass and a movable bottom sash being generally coplanar | William G. Roberts | 2019-10-15 |