Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11596551 | Weighted sleep mask | Justin Seidenfeld, Wing Hin Ng, Michael James Grillo | 2023-03-07 |
| D906405 | Weighted sleep mask | Justin Seidenfeld, Wing Hin Ng, Michael James Grillo | 2020-12-29 |
| 10426666 | Weighted sleep mask | Justin Seidenfeld, Wing Hin Ng, Michael James Grillo | 2019-10-01 |