Granted Patent
Utility
US 4,554,538 · App. 06/498,212
Multi-level raster scan display system
Inventor:
Matthew J. Bieneman
Patented Case
View Patent ↗
Granted: Nov 19, 1985
Filed: May 25, 1983
Inventor
Matthew J. Bieneman
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.