Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9830189 | Multi-threaded queuing system for pattern matching | David K. Cassetti, Lokpraveen Mosur, Christopher P. Clark | 2017-11-28 |
| 9223618 | Multi-threaded queuing system for pattern matching | David K. Cassetti, Lokpraveen Mosur, Christopher F. Clark | 2015-12-29 |
| 7529253 | IP packet ready PBX expansion circuit for a conventional personal computer with expandable, distributed DSP architecture | Paul K. Lee, Gregory Schultz | 2009-05-05 |
| 7023867 | PBX with configurable analog CO line and T1 signalling protocols using packet bus and software switched WAV channels | Joon-Suk Park, Paul K. Lee, Gregory Schultz, Ronald C. Fish | 2006-04-04 |
| 6795448 | IP packet ready PBX expansion circuit for a conventional personal computer with expandable, distributed DSP architecture | Paul K. Lee, Gregory Schultz | 2004-09-21 |
| 6542584 | Digital telephone system with automatic voice mail redirection | Charles Gregory Sherwood | 2003-04-01 |
| 6463138 | Telephone system for formatting caller ID information into a form useable by an application program and exporting the caller information to the application program | Charles Gregory Sherwood | 2002-10-08 |
| 6347134 | Recording and playing voicemail with improved DTMF detection | Charles Gregory Sherwood | 2002-02-12 |
| 6259780 | Telephone system for formatting caller ID information into a form useable by an application program and exporting the caller information to the application program | Charles Gregory Sherwood | 2001-07-10 |
| 6151391 | Phone with adjustable sidetone | Charles Gregory Sherwood | 2000-11-21 |