Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5621454 | Method and system for recognition of broadcast segments | Michael D. Ellis, Stephen M. Dunn, Fancy B. Younglove, David M. James, David L. Clifton +1 more | 1997-04-15 |
| 5612729 | Method and system for producing a signature characterizing an audio broadcast signal | Michael D. Ellis, Stephen M. Dunn, Fancy B. Younglove, David M. James, David L. Clifton +1 more | 1997-03-18 |