Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5881096 | Method for removing bias in a frequency hopping digital communication system | John Bertrand, Marvin A. Epstein, Gary V. Blois, Joseph M. Fine | 1999-03-09 |
| 5418778 | Local and remote echo canceling apparatus particularly adapted for use in a full duplex modem | Peter Cummiskey, Marvin A. Epstein, Richard Kim | 1995-05-23 |