Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11679385 | Filter life indicator media and holder | John C. Gaudreau, Edward John Washington | 2023-06-20 |
| 10987612 | Airborne molecular contamination filter cartridge system with combustible filter cartridge and reusable frame | Tom Leblanc, Joe Wildgoose, Marc Venet, John C. Gaudreau | 2021-04-27 |