Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9635551 | System and method for controlling access to a function performed by a wireless device | Daniel J. Sadler, Manuel Oliver | 2017-04-25 |
| 8893284 | Method and system for providing extended authentication | Daniel J. Sadler, Manuel Oliver | 2014-11-18 |
| 8484625 | Method and apparatus to vet an executable program using a model | Dipikalyan Saha, Subir Saha | 2013-07-09 |
| 8140439 | Method and apparatus for enabling digital rights management in file transfers | William L. Olson, Vida Ilderem, Frederick L. Kitson, Paul Moroney, Petr Peterka +2 more | 2012-03-20 |
| 7689250 | Method, apparatus and system for partitioning and bundling access to network services and applications | David William Kravitz, Sandeep M. Adwankar | 2010-03-30 |
| 7596812 | System and method for protected data transfer | Yi-Qun Li, Ezzat A. Dabbish | 2009-09-29 |
| 7084737 | Method and apparatus for locating a nearby alternate vending machine for a desired product | Jheroen Dorenbosch | 2006-08-01 |
| 6434381 | Method and apparatus in a wireless communication system for retrieving local information and services | Jheroen Dorenbosch | 2002-08-13 |
| 6424623 | Virtual queuing system using proximity-based short-range wireless links | Ronald W. Borgstahl, Jeffrey M. Harris, Ernest Earl Woodward, William B. Austin, George William Muncaster +2 more | 2002-07-23 |
| 6260060 | Method and apparatus for enhancing a message preview mode in a messaging unit | — | 2001-07-10 |
| 6259791 | Method and apparatus in a wireless messaging system for controlling a hierarchical provision of service | — | 2001-07-10 |
| 6133850 | Method and apparatus for reducing channel capacity required to report a billable consumption of a utility commodity | — | 2000-10-17 |
| 6112244 | Method and apparatus in a wireless communication system for compressing and decompressing messages generated by a plurality of applications | Gregory L. Cannon | 2000-08-29 |
| 5740534 | Method for determining available frequencies in selective call receivers | Douglas I. Ayerst, Malik Khan, Leonard E. Nelson, Kwok Keung Choi | 1998-04-14 |
| 5699388 | System and method for fully distributed synchronization of a radio communication network | Zhonghe Wang | 1997-12-16 |
| 5649294 | Method and apparatus for delivering global event information in a radio communication system | Douglas I. Ayerst | 1997-07-15 |
| 5475374 | Method and apparatus for energy conservation in a communication system | — | 1995-12-12 |
| 5459873 | Method and communication system for improved channel scanning and link establishment determinations | Clinton C. Powell, II | 1995-10-17 |
| 5450617 | Method and apparatus for closed loop frequency control in a two-way communication system | — | 1995-09-12 |
| 5398021 | Reliable information service message delivery system | — | 1995-03-14 |
| 5343319 | Apparatus for adapting an electrical communications port to an optical communications port | — | 1994-08-30 |
| 5325088 | Synchronous selective signalling system | David F. Willard, Robert J. Schwendeman, William J. Kuznicki, Michael J. DeLuca | 1994-06-28 |
| 5260700 | Enhanced throughput in simulcast communication systems | Zaffer S. Merchant | 1993-11-09 |
| 5252963 | """Selective call receiver""" | Gregory O. Snowden, Michael J. DeLuca, Robert J. Schwendeman, David F. Willard | 1993-10-12 |
| 5124697 | Acknowledge-back pager | — | 1992-06-23 |