Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D754259 | Kendama toy | — | 2016-04-19 |
| 6887122 | Yo-yo having visual indication of response setting | Hans W. Van Dan Elzen | 2005-05-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D754259 | Kendama toy | — | 2016-04-19 |
| 6887122 | Yo-yo having visual indication of response setting | Hans W. Van Dan Elzen | 2005-05-03 |