Granted Patent
Utility
US 4,908,876 · App. 07/169,602
Apparatus and method for enhancement of image viewing by modulated illumination of a transparency
Inventors:
Sherman E. DeForest, Saied Benyamin, Richard G. Hier, Robert A. Kruger, Robert Power, Gregory W. Schmidt, William A. Schmidt
Patented Case
View Patent ↗
Granted: Mar 13, 1990
Filed: Mar 16, 1988
Inventors
Sherman E. DeForest
Saied Benyamin
Richard G. Hier
Robert A. Kruger
Robert Power
Gregory W. Schmidt
William A. Schmidt
Assignee (at issue)
DigiVision, 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.