Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7976385 | Game controller with sensitivity adjustment | Andrew J. Riggs, Chan Kei Shek | 2011-07-12 | $40,736,000 |
| 7758424 | Game controller with interchangeable controls | Andrew J. Riggs, Chan Kei Shek | 2010-07-20 | $17,081,000 |
| 7402100 | Hand held electrical device and method for using the same | Kevin Brase | 2008-07-22 | $29,752,000 |
| 7338374 | Adjustable tension analog stick for a video game pad | Lee Wing Hang | 2008-03-04 | $22,426,000 |
| 7297060 | Transportable apparatus for a game system | Kevin Brase | 2007-11-20 | $12,887,000 |
| D544923 | Apparatus for a video game system | Kevin Brase | 2007-06-19 | |
| D527054 | Apparatus for a video game system | Kevin Brase | 2006-08-22 | |
| 6903317 | Induction heating system having eccentric locator | — | 2005-06-07 | |
| 4714809 | Method and apparatus for shaping the surfaces of cams on a camshaft | Donald E. Novorsky | 1987-12-22 | |
| 4659892 | Valve seat induction heating apparatus | Robert V. Vickers | 1987-04-21 |