Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6947069 | Method and apparatus for connecting fiber optic lines to an information transmission line carrying two way signals | — | 2005-09-20 |
| 6940957 | Method and apparatus for connecting a television interphone monitor system to a concierge station over the internet | — | 2005-09-06 |