Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6801782 | Method and apparatus for determining the position of a mobile communication device | Dennis D. McCrady, Lawrence J. Doyle, Howard Forstrom | 2004-10-05 |
| 5506781 | RF link control of satellite clocks | Marvin A. Epstein, Lawrence J. Doyle | 1996-04-09 |
| 5418778 | Local and remote echo canceling apparatus particularly adapted for use in a full duplex modem | Marvin A. Epstein, Bryan S. Majkrzak, Richard Kim | 1995-05-23 |
| 5177734 | Multirate wire line modem apparatus | Marvin A. Epstein, Paul A. Gilmour, Richard Kim | 1993-01-05 |
| 5005168 | Multirate wire line modem apparatus | Marvin A. Epstein, Paul A. Gilmour, Richard Kim | 1991-04-02 |
| 4353128 | Synchronous/asynchronous data communication arrangement | — | 1982-10-05 |
| 4344180 | Redundant word frame synchronization circuit | — | 1982-08-10 |
| 4306304 | Digital loop synchronization circuit | Leslie A. Baxter | 1981-12-15 |
| 4229815 | Full duplex bit synchronous data rate buffer | — | 1980-10-21 |