Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10384139 | Motorized yo-yo | — | 2019-08-20 |
| D843491 | Yo-yo | — | 2019-03-19 |
| 10086301 | Motorized yo-yo | — | 2018-10-02 |
| 8360814 | Yo-yo having a modifiable string gap | — | 2013-01-29 |
| 8328595 | Yo-yo having twist-on releasable rims and yo-yo having twist-on gear-locked bodies | — | 2012-12-11 |
| 8187052 | Motorized yo-yo having improved efficiency | Thomas J. Van Dan Elzen | 2012-05-29 |
| 8075365 | Yo-yo having a string-formed response system | Matthew C. Schonert | 2011-12-13 |
| D641802 | Yo-yo | — | 2011-07-19 |
| 7874891 | Motorized yo-yo | Thomas J. Van Dan Elzen | 2011-01-25 |
| 7874890 | Yo-yo having side-located roller members | — | 2011-01-25 |
| 7621796 | Yo-yo having a string-formed response system | Matthew C. Schonert | 2009-11-24 |
| 7448934 | Motor yo-yo | Thomas J. Van Dan Elzen | 2008-11-11 |
| 7192330 | Yo-yo having adjustable responsiveness | — | 2007-03-20 |
| 7125310 | Yo-yo having replaceable disks | — | 2006-10-24 |
| 6887122 | Yo-yo having visual indication of response setting | Benjamin J. McPhee | 2005-05-03 |
| 6599165 | Yo-yo having an active starburst tether engagement system | — | 2003-07-29 |
| 6155903 | Yo-yo having engagement pads proximate its axle | Thomas J. Van Dan Elzen | 2000-12-05 |
| 5951361 | Yo-yo having engagement pads proximate its axle | Thomas J. Van Dan Elzen | 1999-09-14 |
| 5813897 | Yo-yo having an improved tether engagement area | Thomas J. Van Dan Elzen | 1998-09-29 |
| 5813898 | Yo-yo having engagement pads proximate its axle | Thomas J. Van Dan Elzen | 1998-09-29 |