Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7846287 | Preforming thermoplastic ducts | Bryan Bergsma, Joseph P. Canavan, Thomas J. Courrier, Walter Forrest Frantz, Harvey T. Jones +2 more | 2010-12-07 |
| 7153124 | Preforming thermoplastic ducts | Bryan Bergsma, Joseph P. Canavan, Thomas J. Courrier, Walter Forrest Frantz, Harvey T. Jones +2 more | 2006-12-26 |
| 7097804 | Thermoplastic laminate duct | Walter Forrest Frantz, Danny Jorgenson, Douglas D. Maben | 2006-08-29 |