Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4454502 | Apparatus for monitoring and signalling system | Robert J. Fahey | 1984-06-12 |
| 4304970 | Telephone status monitor apparatus | Robert J. Fahey | 1981-12-08 |
| 4301515 | Variable timing system | Robert J. Fahey, Robert A. Norbedo | 1981-11-17 |
| 4295207 | Data processing apparatus for receiving and decoding words in which data is encoded by phase reversals or non-phase reversals of a signal of a predetermined frequency | — | 1981-10-13 |
| 4295208 | Signalling system including apparatus for generating and testing data and command words within first and second message intervals | Robert A. Norbedo | 1981-10-13 |
| 4286331 | Monitoring and signalling system including apparatus for processing and analyzing signals produced by activity monitoring sensors | Richard W. Anderson, J. Edward Schlener | 1981-08-25 |
| 4281394 | Monitoring and signalling system including apparatus for processing binary signals having multiple messages | Jeffrey R. Fox, Arthur Margolies, Rob Moolenbeek | 1981-07-28 |
| 4273961 | Apparatus for communicating with processing apparatus over a telephone network | Hans G. Blank | 1981-06-16 |
| 4273960 | Apparatus for monitoring usage of a telephone | Robert J. Fahey | 1981-06-16 |
| 4224478 | Data transmission circuit for establishing a bidirectional data path in a telephone system | Robert J. Fahey | 1980-09-23 |