Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8018920 | Technique for providing intelligent features for calls in a communications network independent of network architecture | William M. Hoffman, Leonard S. Kelter, Barbara Joanne Kittredge, James J. Mansell, D. Mark Parrish +2 more | 2011-09-13 |
| 7616623 | Technique for providing intelligent features for calls in a communications network independent of network architecture | William M. Hoffman, Leonard S. Kelter, Barbara Joanne Kittredge, James J. Mansell, D. Mark Parrish +2 more | 2009-11-10 |
| 6954455 | Technique for providing intelligent features for calls in a communications network independent of network architecture | William M. Hoffman, Leonard S. Kelter, Barbara Joanne Kittredge, James J. Mansell, D. Mark Parrish +2 more | 2005-10-11 |