Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8069252 | Session initiation protocol enabled set-top device | William J. Janning, Gregory T. Osterhout | 2011-11-29 |
| 7617298 | Session initiation protocol enabled set-top device | William J. Janning, Gregory T. Osterhout | 2009-11-10 |
| 7024461 | Session initiation protocol enabled set-top device | William J. Janning, Gregory T. Osterhout | 2006-04-04 |