Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D989578 | Lunchbox | — | 2023-06-20 |
| D757175 | Educational set of cards for addition and subtraction | Nechemia Weiss | 2016-05-24 |
| D621878 | Mathematical educational set | Nechemia Weiss | 2010-08-17 |