Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8341273 | Deferred invocation of communication services | David A. Ladd, Narasimha R. Rachumallu, Leo Nieuwesteeg | 2012-12-25 |
| 7979523 | Deferred invocation of communication services | David A. Ladd, Narasimha R. Rachumallu, Leo Nieuwesteeg | 2011-07-12 |
| 7797427 | System and method for applying a communication feature extension | Steven R. Donovan | 2010-09-14 |