Issued Patents 2021
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D938239 | Hand-held spreader | Paul E. Hsu, Chris C. Cicenas, Daniel Wisniewski | 2021-12-14 |
| D936109 | Spreader | Paul E. Hsu, Daniel Wisniewski, Johannes Hertrich, John Knittle, Eric Glassner | 2021-11-16 |
| D926627 | Hydroponic system | Joseph Craig, Bradley Alan Schultz, Angie Gray, Whitney Maiden, Sean D. Montag | 2021-08-03 |
| D916569 | Hand-held spreader | Paul E. Hsu, Chris C. Cicenas, Daniel Wisniewski | 2021-04-20 |
| D909421 | Spreader | Paul E. Hsu, Daniel Wisniewski, Johannes Hertrich, John Knittle, Eric Glassner | 2021-02-02 |