Granted Patent
Utility
US 4,453,179 · App. 06/375,791
Variable color cathodoluminescent composition, method, and display device utilizing same
Inventors:
Thomas E. Peters, James R. McColl
Patented Case
View Patent ↗
Granted: Jun 5, 1984
Filed: May 7, 1982
Inventors
Thomas E. Peters
James R. McColl
Assignee (at issue)
GTE Laboratories Incorporated
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.