Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4656621 | Digital switching system | Michael Cooperman, Donald J. Gray, Richard W. Sieber | 1987-04-07 |
| 4281394 | Monitoring and signalling system including apparatus for processing binary signals having multiple messages | Jeffrey R. Fox, Arthur Margolies, Martin L. Resnick | 1981-07-28 |
| 4259594 | Electrical power supply apparatus | Jeffrey R. Fox, Arthur Margolies | 1981-03-31 |