DC

David L. Clifton

AR Arbitron: 5 patents #9 of 49Top 20%
📍 Boulder, CO: #1,290 of 5,018 inventorsTop 30%
🗺 Colorado: #8,936 of 40,980 inventorsTop 25%
Overall (All Time): #1,053,806 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5621454 Method and system for recognition of broadcast segments Michael D. Ellis, Stephen M. Dunn, Michael W. Fellinger, Fancy B. Younglove, David M. James +1 more 1997-04-15
5612729 Method and system for producing a signature characterizing an audio broadcast signal Michael D. Ellis, Stephen M. Dunn, Michael W. Fellinger, Fancy B. Younglove, David M. James +1 more 1997-03-18
5572246 Method and apparatus for producing a signature characterizing an interval of a video signal while compensating for picture edge shift Michael D. Ellis, Stephen M. Dunn, Michael W. Fellinger, Fancy B. Younglove, David M. James +1 more 1996-11-05
5504518 Method and system for recognition of broadcast segments Michael D. Ellis, Stephen M. Dunn, Michael W. Fellinger, Fancy B. Younglove, David M. James +1 more 1996-04-02
5436653 Method and system for recognition of broadcast segments Michael D. Ellis, Stephen M. Dunn, Michael W. Fellinger, Fancy B. Younglove, David M. James +1 more 1995-07-25