Granted Patent
Utility
US 4,282,550 · App. 06/097,768
Digital magnification system
Inventor:
John W. Coviello
Patented Case
View Patent ↗
Granted: Aug 4, 1981
Filed: Nov 27, 1979
Inventor
John W. Coviello
Assignee (at issue)
Westinghouse Electric Company 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.