Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1069978 | Filter wingnut | John V. DeYoung, Matthew W. Tatusko, Shane Korthuis, Marc Hanchak, Philip Graham Rowe | 2025-04-08 |
| D987024 | Filter cartridge housing | John V. DeYoung, Matthew W. Tatusko, Shane Korthuis, Marc Hanchak, Philip Graham Rowe | 2023-05-23 |