Granted Patent
Utility
US 4,499,005 · App. 06/605,358
Infrared emitting phosphor
Inventors:
James R. McColl, Thomas E. Peters
Patented Case
View Patent ↗
Granted: Feb 12, 1985
Filed: Apr 30, 1984
Inventors
James R. McColl
Thomas E. Peters
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.