Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12168188 | Quick oil change filter and assembly | Bryce Metcalf, Randall Ammentorp, Chris Martinek, Rodney Balzar, Glen Stroik | 2024-12-17 |
| D990645 | Oil filter | Bryce Metcalf, Randall Ammentorp | 2023-06-27 |
| 11571640 | Quick oil change filter and assembly | Bryce Metcalf, Randall Ammentorp, Chris Martinek, Rodney Balzar, Glen Stroik | 2023-02-07 |
| D920470 | Oil filter | Bryce Metcalf, Randall Ammentorp | 2021-05-25 |