Granted Patent
Utility
US 4,103,204 · App. 05/607,490
Flat display device with beam guide
Inventor:
Thomas Lloyd Credelle
Patented Case
View Patent ↗
Granted: Jul 25, 1978
Filed: Aug 25, 1975
Inventor
Thomas Lloyd Credelle
Assignee (at issue)
RCA Corporation
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.