Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11247142 | Versatile robust construction toy | Richard F. Roth, Robert D. Klauber, Joseph George, Susan Klauber | 2022-02-15 |
| 9669324 | Versatile robust construction toy | Richard F. Roth, Robert D. Klauber, Joseph George, Susan Klauber | 2017-06-06 |