Granted Patent
Utility
US 6,774,943 · App. 09/386,256
Method and apparatus for edge enhancement in digital images
Inventors:
Sophia W. Kao, Der-Ren Chu, Ren Wang
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Aug 31, 1999
Inventors
Sophia W. Kao
Der-Ren Chu
Ren Wang
Assignee (at issue)
ESS TECH, 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.