Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5315583 | Method and apparatus for digital audio broadcasting and reception | Mark J. Rich | 1994-05-24 |
| 5278826 | Method and apparatus for digital audio broadcasting and reception | Mark J. Rich | 1994-01-11 |
| 5278844 | Method and apparatus for digital audio broadcasting and reception | Mark J. Rich | 1994-01-11 |