Granted Patent
Utility
US 4,688,167 · App. 06/655,280
Screen manager for data processing system
Inventor:
Arun Agarwal
Patented Case
View Patent ↗
Granted: Aug 18, 1987
Filed: Sep 27, 1984
Inventor
Arun Agarwal
Assignee (at issue)
Wang Laboratories, 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.