Granted Patent
Utility
US 4,906,985 · App. 07/277,059
Easily upgradeable video memory system and method
Inventor:
Thomas C. Furlong
Patented Case
View Patent ↗
Granted: Mar 6, 1990
Filed: Nov 28, 1988
Inventor
Thomas C. Furlong
Assignee (at issue)
Digital Equipment 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.