Granted Patent
Utility
US 4,117,368 · App. 05/691,397
Modular type guided beam flat display device
Inventors:
Frank J. Marlowe, Charles H. Anderson
Patented Case
View Patent ↗
Granted: Sep 26, 1978
Filed: Jun 1, 1976
Inventors
Frank J. Marlowe
Charles H. Anderson
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.