Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10072457 | Unitary assembly for an architectural fenestration, providing dynamic solar heat gain control | Wendell B. Colson, David P. Hartman | 2018-09-11 |
| 10030438 | Retractable shade with collapsible vanes | Wendell B. Colson, Marjorie G. Harper, David P. Hartman, Ralph G. Jelic, Kristi K. Kopecky | 2018-07-24 |