Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11490561 | Dual rotor spreader system | Paul E. Hsu, Ryan R. Berger, Daniel Wisniewski, John Knittle, Eric Glassner | 2022-11-08 |
| D959937 | Powered hand-held spreader | Paul E. Hsu, Paul M. Havlovitz, Ryan R. Berger, Chris W. Cicenas, Daniel Wisniewski | 2022-08-09 |
| D956827 | Spreader | Paul E. Hsu, Ryan R. Berger, Daniel Wisniewski, John Knittle, Eric Glassner | 2022-07-05 |