Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7072698 | Directional antenna for hand-held wireless communications device | Paul A. Underbrink, Kelly H. Hale, Guang-Ming Yin, Patrick D. Ryan, Joseph H. Colles +1 more | 2006-07-04 |
| 6980772 | Wireless communications system utilizing directional wireless communication device | Paul A. Underbrink, Kelly H. Hale, Guang-Ming Yin, Patrick D. Ryan, Joseph H. Colles +1 more | 2005-12-27 |
| 6031302 | Battery management system with current measurement across on-resistance of semiconductor cutout switch | — | 2000-02-29 |