Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5377221 | Communications system | Nicholas R. Massey, David Harmer, James M. Jeffries | 1994-12-27 |
| 4748655 | Portable telephones | Keith R. Thrower, Trevor Gill | 1988-05-31 |
| 4442527 | Synchronization systems | — | 1984-04-10 |
| 4367444 | Frequency discriminator and frequency modulator incorporating such discriminator | Brian Gardner | 1983-01-04 |
| 4340963 | Methods and systems for the correction of errors in data transmission | — | 1982-07-20 |
| 4314208 | Frequency adjusting methods and systems | — | 1982-02-02 |
| 4199821 | Data transmission | — | 1980-04-22 |