Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6939191 | Cord guided frisbee | — | 2005-09-06 |
| 6837811 | String pulling device for racket stringer | — | 2005-01-04 |
| 6398615 | Pinwheel assembly | Ping-Chao Lin | 2002-06-04 |
| 6398614 | Pinwheel assembly | Ping-Chao Lin | 2002-06-04 |
| 6386939 | Pinwheel device | Ping-Chao Lin | 2002-05-14 |
| 6364732 | Pinwheel | — | 2002-04-02 |
| 6357697 | Kite structure | — | 2002-03-19 |
| 6315246 | Kite | Ping-Chao Lin | 2001-11-13 |