Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12399878 | Systems and methods for managing file transfers and updates in a multicell network | Kaz Kylheku, Ralph Tischler | 2025-08-26 |
| 12108309 | Wireless communications system and method | Supajet Guy Pothiboon, Bennett Cheng, Ralph Tischler, Chung Shing Lam | 2024-10-01 |
| 6983144 | Telephone base unit having dynamically configurable software | Holger Janssen, James Dury, Sean Wong | 2006-01-03 |
| 6950652 | Remote management of an external phonebook | Holger Janssen, James Dury, Sean Wong | 2005-09-27 |
| 6940966 | Method and apparatus for detection of a telephone CPE alerting signal | Julian Lee | 2005-09-06 |