Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8075365 | Yo-yo having a string-formed response system | Matthew C. Schonert | 2011-12-13 |
| D641802 | Yo-yo | — | 2011-07-19 |
| 7874890 | Yo-yo having side-located roller members | — | 2011-01-25 |
| 7874891 | Motorized yo-yo | Thomas J. Van Dan Elzen | 2011-01-25 |