Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9154933 | Cordless phone system with integrated alarm and remote monitoring capability | Ralph Tischler, Supajet Guy Pothiboon | 2015-10-06 |
| 8825043 | Cordless phone system with integrated alarm and remote monitoring capability | Ralph Tischler, Guy Pothiboon | 2014-09-02 |
| 7796740 | System and method for universal adaptation of a PSTN modem | — | 2010-09-14 |
| 7782876 | Wireless voice data gateway | Ralph Tischler, Douglas Alvarado, Kent Wong | 2010-08-24 |
| 7515702 | Method and system for downloading audio samples for personalized telephone ring tones | Douglas Charney | 2009-04-07 |
| 7386319 | System and method for two-way messaging between a personal computer and a cordless device including stereo | Wendy K. Brown | 2008-06-10 |
| 7363045 | Systems and methods for exchanging data and audio between cellular telephones and landline telephones | Sukhdeep Singh Hundal, Holger Janssen | 2008-04-22 |
| 7076278 | Hybrid telephony device | James G. Kralik | 2006-07-11 |
| 7072460 | System and method for retrieving telephone numbers | Kent Wong | 2006-07-04 |
| 7030818 | System and method for wireless device | Kent Wong, Kenny Che, Damien Yat Shun Yu | 2006-04-18 |
| 5159636 | Audio signal expander apparatus | — | 1992-10-27 |
| 5047860 | Wireless audio and video signal transmitter and receiver system apparatus | — | 1991-09-10 |