Granted Patent
Utility
US 5,818,972 · App. 08/480,169
Method and apparatus for enhancing images using helper signals
Inventors:
Bernd Girod, Edward H. Adelson
Patented Case
View Patent ↗
Granted: Oct 6, 1998
Filed: Jun 7, 1995
Inventors
Bernd Girod
Edward H. Adelson
Assignee (at issue)
REALNETWORKS LLC
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.