Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8620819 | Remote feature activator feature extraction | William T. Walker, Bruce G. Lieou, Mary K. Lourenco, Leslie Levy | 2013-12-31 |
| 8392980 | Trusted host list for TLS sessions | David Ahrens, Amit Agarwal, Manish Gaur, Frank J. Boyle | 2013-03-05 |
| 7966520 | Software licensing for spare processors | William T. Walker, David Chavez, Phillip Whelan, Robin L. Chalmeta | 2011-06-21 |
| 7913301 | Remote feature activation authentication file system | William T. Walker | 2011-03-22 |
| 7890997 | Remote feature activation authentication file system | William T. Walker | 2011-02-15 |
| 7844572 | Remote feature activator feature extraction | William T. Walker, Bruce G. Lieou, Mary K. Lourenco, Leslie Levy | 2010-11-30 |
| 7747851 | Certificate distribution via license files | Richard L. Robinson, William T. Walker | 2010-06-29 |
| 7707405 | Secure installation activation | Robert R. Gilman, Richard L. Robinson | 2010-04-27 |
| 7707116 | Flexible license file feature controls | William T. Walker, James E. Rhodes, Lawrence J. Morgan, Mohana Krishnan Gopalakrishna | 2010-04-27 |
| 7698225 | License modes in call processing | James E. Rhodes, William T. Walker, Lawrence J. Morgan, Mohana Krishnan Gopalakrishna | 2010-04-13 |
| 7681245 | Remote feature activator feature extraction | William T. Walker, Bruce G. Lieou, Mary K. Lourenco, Leslie Levy | 2010-03-16 |
| 7228567 | License file serial number tracking | William T. Walker | 2007-06-05 |
| 7216363 | Licensing duplicated systems | William T. Walker | 2007-05-08 |
| 6834186 | Wireless handset feature transparency between switching nodes | Donald D. Gallagher, Russell Blaine Jorgensen, Jamie C. Su | 2004-12-21 |
| 6513121 | Securing feature activation in a telecommunication system | — | 2003-01-28 |
| 5914939 | Automatic learning of network routing by exchanging route information | — | 1999-06-22 |
| 5848145 | Automatic learning of network routing using random routes | Donald D. Gallagher | 1998-12-08 |