Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778817 | Method and system for combining wireless phone jack and RF wireless communications | John M. Knab | 2004-08-17 |
| 6697618 | System and method for detecting failures in a wireless phone/modem jack to prevent telephone line seizures | David W. Thorson | 2004-02-24 |