Granted Patent
Utility
US 4,870,479 · App. 07/188,945
Video graphics memory storage reduction technique
Inventor:
Robert Dubner
Patented Case
View Patent ↗
Granted: Sep 26, 1989
Filed: May 2, 1988
Inventor
Robert Dubner
Assignee (at issue)
Dubner Computer Systems, 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.