Granted Patent
Utility
US 4,659,352 · App. 06/747,472
Reactive atmosphere processing of heavy-metal fluoride glasses
Inventor:
Morton Robinson
Patented Case
View Patent ↗
Granted: Apr 21, 1987
Filed: Jun 21, 1985
Inventor
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.