Granted Patent
Utility
US 4,645,870 · App. 06/787,392
Touch control system for use with a display panel or other touch controlled device
Inventor:
Robert P. Adler
Patented Case
View Patent ↗
Granted: Feb 24, 1987
Filed: Oct 15, 1985
Inventor
Robert P. Adler
Assignee (at issue)
Zenith Electronics LLC
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.