Granted Patent
Utility
US 4,897,100 · App. 07/296,564
Apparatus and process for fiberizing fluoride glasses using a double crucible and the compositions produced thereby
Inventor:
Minor L. Nice
Patented Case
View Patent ↗
Granted: Jan 30, 1990
Filed: Jan 13, 1989
Inventor
Minor L. Nice
Assignee (at issue)
Owens-Corning Fiberglas Corp.
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.