Granted Patent
Utility
US 4,451,116 · App. 06/230,923
Infrared transmitting fiber optical waveguide extruded from halides of the metal thallium and the method of preparation
Inventors:
Douglas A. Pinnow, Anthony L. Gentile, Arlie G. Standlee, Arthur J. Timper
Patented Case
View Patent ↗
Granted: May 29, 1984
Filed: Feb 2, 1981
Inventors
Douglas A. Pinnow
Anthony L. Gentile
Arlie G. Standlee
Arthur J. Timper
Assignee (at issue)
Hughes Aircraft Company
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.