Granted Patent
Utility
US 4,544,393 · App. 06/612,774
Rotary fiber forming method and apparatus
Inventor:
Roger J. Bilen
Patented Case
View Patent ↗
Granted: Oct 1, 1985
Filed: May 22, 1984
Inventor
Roger J. Bilen
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.