Granted Patent
Utility
US 4,388,097 · App. 06/267,934
Hot-pressed fluoride glasses
Inventors:
Roger R. Turk, Morton Robinson
Patented Case
View Patent ↗
Granted: Jun 14, 1983
Filed: May 28, 1981
Inventors
Roger R. Turk
Morton Robinson
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.