Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699933 | Valve for a water dispenser for bicyclists | Ping-Lien Chienp | 1997-12-23 |
| 5675323 | Method for preventing unauthorized duplication of a remote controller, and remote controller with copy-preventing capability | — | 1997-10-07 |