Granted Patent
Utility
US 6,711,299 · App. 09/727,241
Wavelet transformation of dithered quantized/reduced color pixels for color bit depth image compression and decompression
Inventors:
Hongyang Chao, Howard P. Fisher, Paul S. Fisher, Zeyi Hua
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Nov 30, 2000
Inventors
Hongyang Chao
Howard P. Fisher
Paul S. Fisher
Zeyi Hua
Assignee (at issue)
Vianet Technologies, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.