Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D544949 | Air filter | Philip J. Winters, Kevin Hobbs, Michael Corbat | 2007-06-19 |
| 7156891 | Forced air system air filter | Philip J. Winters, Kevin Hobbs, Michael Corbat | 2007-01-02 |