Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9669593 | Light weight thermoplastic flex foam and hybrid duct system | Walter Forrest Frantz, Douglas D. Maben, Bruce Whitman, Douglas E. Freeman | 2017-06-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9669593 | Light weight thermoplastic flex foam and hybrid duct system | Walter Forrest Frantz, Douglas D. Maben, Bruce Whitman, Douglas E. Freeman | 2017-06-06 |