Granted Patent
Utility
US 4,663,653 · App. 06/800,823
Vertical detail enhancer
Inventor:
Chandrakant B. Patel
Patented Case
View Patent ↗
Granted: May 5, 1987
Filed: Nov 22, 1985
Inventor
Chandrakant B. Patel
Assignee (at issue)
RCA Corporation
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.