Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831976 | Telephone line-powered power supply for ancillary equipment and method of operation thereof | Dale H. Nelson, Xiqun Zhu | 2004-12-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831976 | Telephone line-powered power supply for ancillary equipment and method of operation thereof | Dale H. Nelson, Xiqun Zhu | 2004-12-14 |