Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7529253 | IP packet ready PBX expansion circuit for a conventional personal computer with expandable, distributed DSP architecture | Charles Arnold Lasswell, 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, Charles Arnold Lasswell, 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 | Charles Arnold Lasswell, Gregory Schultz | 2004-09-21 |
| 6584140 | Spectrum efficient fast frequency-hopped modem with coherent demodulation | — | 2003-06-24 |
| 5832236 | High speed frame translation for computer networks | — | 1998-11-03 |
| 5742760 | Network packet switch using shared memory for repeating and bridging packets at media rate | Jose J. Picazo, Jr., Robert Philip Zager | 1998-04-21 |