Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6941076 | Tone modulation for out-of-band communication in a free-space optical communication link | Rand W. Lee | 2005-09-06 |
| 6885740 | Local exchange subscriber line conferencing method | William Ernstrom, Thomas E. Yackey, Jr., Warren Edward Baxley, Anna Lea Gellatly | 2005-04-26 |