Berkeley, California
United States
4
2015-06-04
The entities that hold a legal rights for patent applications filed by inventor Keislar Douglas F.:
Douglas F. Keislar from Berkeley, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Play list generation method and apparatus
#2 | 2015-03-03Playlist generation method and apparatus
#3 | 2009-09-24Method and apparatus for creating a unique audio signature
#4 | 2009-07-14Method and apparatus for creating a unique audio signature
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