Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D938239 | Hand-held spreader | Paul E. Hsu, Ryan R. Berger, Chris C. Cicenas | 2021-12-14 |
| D936109 | Spreader | Paul E. Hsu, Ryan R. Berger, Johannes Hertrich, John Knittle, Eric Glassner | 2021-11-16 |
| D916569 | Hand-held spreader | Paul E. Hsu, Ryan R. Berger, Chris C. Cicenas | 2021-04-20 |
| D909421 | Spreader | Paul E. Hsu, Ryan R. Berger, Johannes Hertrich, John Knittle, Eric Glassner | 2021-02-02 |