Granted Patent
Utility
US 4,624,693 · App. 06/809,961
Method and apparatus for forming glass fibers
Inventors:
Jerome F. Marra, William M. Babbitt
Patented Case
View Patent ↗
Granted: Nov 25, 1986
Filed: Dec 17, 1985
Inventors
Jerome F. Marra
William M. Babbitt
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.