Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6597075 | DC power supply and battery charge system | — | 2003-07-22 |
| 6512817 | Method and apparatus for polling telephony line status in an integrated services hub to reduce power consumption | Allan Dale, Craig Mahaney | 2003-01-28 |