Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10940416 | Air filter devices with gap sealing unit | Glen O. Gregerson, Thomas J. Herbrand, David J. Prince, Danielle M. Schreppel, Craig D. Thompson | 2021-03-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10940416 | Air filter devices with gap sealing unit | Glen O. Gregerson, Thomas J. Herbrand, David J. Prince, Danielle M. Schreppel, Craig D. Thompson | 2021-03-09 |