Granted Patent
Utility
US 4,652,869 · App. 06/723,676
Color enhancement for display device
Inventor:
Bharat Vakil
Patented Case
View Patent ↗
Granted: Mar 24, 1987
Filed: Apr 16, 1985
Inventor
Bharat Vakil
Assignee (at issue)
ALLIED CONSULTING, 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.