Granted Patent
Utility
US 5,072,412 · App. 07/030,766
User interface with multiple workspaces for sharing display system objects
Inventors:
D. Austin Henderson, Jr., Stuart K. Card, John T. Maxwell, III
Patented Case
View Patent ↗
Granted: Dec 10, 1991
Filed: Mar 25, 1987
Inventors
D. Austin Henderson, Jr.
Stuart K. Card
John T. Maxwell, III
Assignee (at issue)
Xerox 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.