Granted Patent
Utility
US 4,692,809 · App. 06/673,306
Integrated touch paint system for displays
Inventors:
August H. Beining, William A. Smith
Patented Case
View Patent ↗
Granted: Sep 8, 1987
Filed: Nov 20, 1984
Inventors
August H. Beining
William A. Smith
Assignee (at issue)
Hughes Aircraft Company
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.