Granted Patent
Utility
US 6,236,762 · App. 09/118,711
System and method for unified DCT and wavelet data coding
Inventors:
Charles K. Chui, Lefan Zhong, James M. Spring, Rongxiang Yi
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Jul 17, 1998
Inventors
Charles K. Chui
Lefan Zhong
James M. Spring
Rongxiang Yi
Assignee (at issue)
PicSurf, 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.