Granted Patent
Utility
US 4,810,992 · App. 07/183,118
Digitizer pad
Inventor:
Franklin N. Eventoff
Patented Case
View Patent ↗
Granted: Mar 7, 1989
Filed: Apr 19, 1988
Inventor
Franklin N. Eventoff
Assignee (at issue)
INTERLINK ELECTRONICS, 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.