Granted Patent
Utility
US 4,746,914 · App. 06/741,975
Cathode ray tube for use in a touch panel display system
Inventor:
Robert P. Adler
Patented Case
View Patent ↗
Granted: May 24, 1988
Filed: Jun 6, 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.