Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D544949 | Air filter | Philip J. Winters, Kevin Hobbs, Dean Kerstetter | 2007-06-19 |
| 7156891 | Forced air system air filter | Philip J. Winters, Kevin Hobbs, Dean Kerstetter | 2007-01-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D544949 | Air filter | Philip J. Winters, Kevin Hobbs, Dean Kerstetter | 2007-06-19 |
| 7156891 | Forced air system air filter | Philip J. Winters, Kevin Hobbs, Dean Kerstetter | 2007-01-02 |