Granted Patent
Utility
US 4,518,408 · App. 06/513,894
Method for producing glass fiber
Inventor:
Mohinder Singh Bhatti
Patented Case
View Patent ↗
Granted: May 21, 1985
Filed: Jul 14, 1983
Inventor
Mohinder Singh Bhatti
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.