Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5363425 | Method and apparatus for providing a personal locator, access control and asset tracking service using an in-building telephone network | Robert Samuel, Peter P. K. Soong, Adrian M. Yip, Michael J. Wakim | 1994-11-08 |