Granted Patent
Utility
US 4,547,421 · App. 06/663,272
Highly dispersed continuous glass fiber mats
Inventor:
Sidney G. Dunbar
Patented Case
View Patent ↗
Granted: Oct 15, 1985
Filed: Oct 22, 1984
Inventor
Sidney G. Dunbar
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.