Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10540887 | Power-line communications | John Alson Hicks, III, Brett Allen Davis, Glenn Howell, Robin Thomas, Randy Zimler | 2020-01-21 |
| 9495865 | Power-line communications | John Alson Hicks, III, Brett Allen Davis, Glenn Howell, Robin Thomas, Randy Zimler | 2016-11-15 |
| 8995919 | Interference management using out-of-band signaling | Randy Zimler, George B. Bolam | 2015-03-31 |
| 8599867 | Communication environment switchover | John Alson Hicks, III | 2013-12-03 |
| 8351444 | Communication environment switchover | John Alson Hicks, III | 2013-01-08 |
| 7711102 | Automatically sequentially ringing alternative telephone numbers | David A. Levine, Greg N. Patterson, Zhiqiang Zeeman Zhang, Sunil H. Contractor, Ping Song | 2010-05-04 |
| 7646777 | Communication environment switchover | John Alson Hicks, III | 2010-01-12 |
| 7194080 | Automatically sequentially ringing alternative telephone numbers | David A. Levine, Greg N. Patterson, Zhiqiang Zeeman Zhang, Sunil H. Contractor, Ping Song | 2007-03-20 |
| 7035385 | Method and system for screening calls during voicemail messaging | David A. Levine, Greg N. Patterson, Zhigiang Zhang | 2006-04-25 |
| 6868268 | Audio calling name and number delivery | David A. Levine, Greg N. Patterson, Zhiqiang Zeeman Zhang | 2005-03-15 |
| 6816582 | Automatically simultaneously ringing alternative telephone numbers | David A. Levine, Gregory N. Patterson, Z. Zeeman Zhang | 2004-11-09 |
| 5414385 | Dual mode FM quadrature detector | — | 1995-05-09 |