Granted Patent
Utility
US 4,440,557 · App. 06/450,941
Method and apparatus for forming and collecting continuous glass filaments
Inventors:
Michael W. Morrison, Clarence E. Fracker, Jr., Jerome F. Marra
Patented Case
View Patent ↗
Granted: Apr 3, 1984
Filed: Dec 20, 1982
Inventors
Michael W. Morrison
Clarence E. Fracker, Jr.
Jerome F. Marra
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.