Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6522870 | Automatic gain-controlled VHF/UHF antenna tuning apparatus | Prapan Paul Tinaphong | 2003-02-18 |
| 6429828 | VHF/UHF self-tuning planar antenna system | Prapan Paul Tinaphong | 2002-08-06 |