Granted Patent
Utility
US 4,813,671 · App. 06/910,051
Raster monitor for video game displays
Inventor:
Albert J. Charpentier
Patented Case
View Patent ↗
Granted: Mar 21, 1989
Filed: Sep 22, 1986
Inventor
Albert J. Charpentier
Assignee (at issue)
Commodore Business Machines, 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.