Granted Patent
Utility
US 4,777,329 · App. 07/090,088
Graphic input system
Inventor:
Samuel W. Mallicoat
Patented Case
View Patent ↗
Granted: Oct 11, 1988
Filed: Aug 24, 1987
Inventor
Samuel W. Mallicoat
Assignee (at issue)
Microfield Graphics, 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.