Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7846287 | Preforming thermoplastic ducts | Bryan Bergsma, Joseph P. Canavan, Walter Forrest Frantz, Harvey T. Jones, Denis J. Klein +2 more | 2010-12-07 |
| 7153124 | Preforming thermoplastic ducts | Bryan Bergsma, Joseph P. Canavan, Walter Forrest Frantz, Harvey T. Jones, Denis J. Klein +2 more | 2006-12-26 |