DK

Douglas F. Keislar

AM Amazon: 4 patents #4,009 of 19,158Top 25%
Overall (All Time): #986,708 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10025841 Play list generation method and apparatus James B. Schrempp, Vance Ikezoye, Erling Wold, Thomas Blum, James A. Wheaton 2018-07-17
8972481 Playlist generation method and apparatus James B. Schrempp, Vance Ikezoye, Erling Wold, Thomas Blum, James A. Wheaton 2015-03-03
8086445 Method and apparatus for creating a unique audio signature Erling Wold, Thomas Blum, James A. Wheaton 2011-12-27
7562012 Method and apparatus for creating a unique audio signature Erling Wold, Thomas Blum, James A. Wheaton 2009-07-14
5918223 Method and article of manufacture for content-based analysis, storage, retrieval, and segmentation of audio information Thomas Blum, James A. Wheaton, Erling Wold 1999-06-29