Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11490561 | Dual rotor spreader system | Paul E. Hsu, Ryan R. Berger, Daniel Wisniewski, Johannes Hertrich, Eric Glassner | 2022-11-08 |
| D956827 | Spreader | Paul E. Hsu, Ryan R. Berger, Daniel Wisniewski, Johannes Hertrich, Eric Glassner | 2022-07-05 |
| D936109 | Spreader | Paul E. Hsu, Ryan R. Berger, Daniel Wisniewski, Johannes Hertrich, Eric Glassner | 2021-11-16 |
| D909421 | Spreader | Paul E. Hsu, Ryan R. Berger, Daniel Wisniewski, Johannes Hertrich, Eric Glassner | 2021-02-02 |
| D860261 | Spreader | Paul E. Hsu, Ryan R. Berger, Daniel Wisniewski, Johannes Hertrich, Eric Glassner | 2019-09-17 |