Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5434948 | Polyphonic coding | Edward Munday, Barry Michael George Cheetham | 1995-07-18 |
| 4803727 | Transmission system | John M. Rollett | 1989-02-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5434948 | Polyphonic coding | Edward Munday, Barry Michael George Cheetham | 1995-07-18 |
| 4803727 | Transmission system | John M. Rollett | 1989-02-07 |