RA

Randall Ammentorp

BS Briggs & Stratton: 4 patents #132 of 490Top 30%
Overall (All Time): #1,119,861 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12168188 Quick oil change filter and assembly Elizabeth Woytach, Bryce Metcalf, Chris Martinek, Rodney Balzar, Glen Stroik 2024-12-17
D990645 Oil filter Elizabeth Woytach, Bryce Metcalf 2023-06-27
11571640 Quick oil change filter and assembly Elizabeth Woytach, Bryce Metcalf, Chris Martinek, Rodney Balzar, Glen Stroik 2023-02-07
D920470 Oil filter Elizabeth Woytach, Bryce Metcalf 2021-05-25