Granted Patent
Utility
US 4,931,783 · App. 07/224,304
Method and apparatus for removable menu window
Inventor:
William Drew Atkinson
Patented Case
View Patent ↗
Granted: Jun 5, 1990
Filed: Jul 26, 1988
Inventor
William Drew Atkinson
Assignee (at issue)
Apple Computer 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.