Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D641366 | Fretboard with buttons for a guitar | — | 2011-07-12 |
| D632293 | Fretboard with buttons for a guitar | — | 2011-02-08 |
| D632340 | Frets device for a handheld game | Lee Guinchard, Lee Yat Lam, Chan Yuk On | 2011-02-08 |
| D632341 | Portable game device cover | Wai-Loong Lim, George H. F. Schnakenberg, III, Cendru Engstrom, Lee Guinchard | 2011-02-08 |