Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6782258 | Wireless hot-lining with automatically assigned variable hot-line number | Dara Ung, Mark Titus, Robert Thomas Calabrese, Karl Lebedda, Carle S. Johnson, Jr. | 2004-08-24 |