Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7260923 | Method and apparatus for filtering air entering an animal's nostrils | John Shirreffs | 2007-08-28 |
| D420753 | Window component extrusion | Brian C. Opielski, Jeffrey B. Hersh, Dennis Westphal | 2000-02-15 |
| D398708 | Window component extrusion | Brian C. Opielski, Jeffrey B. Hersh, Shaan Gandhi, Dennis Westphal | 1998-09-22 |
| D391649 | Window component extrusion | Brian C. Opielski, Jeffrey B. Hersh, Chandrahas Gandhi, Dennis Westphal | 1998-03-03 |
| D390974 | Window component extrusion | Brian C. Opielski, Jeffrey B. Hersh, Chandrahas Gandhi, Dennis Westphal | 1998-02-17 |