Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10232295 | Filter including support frame | Philip J. Winters, David Heritage | 2019-03-19 |
| D544949 | Air filter | Philip J. Winters, Michael Corbat, Dean Kerstetter | 2007-06-19 |
| 7156891 | Forced air system air filter | Philip J. Winters, Michael Corbat, Dean Kerstetter | 2007-01-02 |