Granted Patent
Utility
US 4,332,764 · App. 06/199,321
Methods for producing melt-spun filaments
Inventors:
John R. Brayford, Max L. Cardell
Patented Case
View Patent ↗
Granted: Jun 1, 1982
Filed: Oct 21, 1980
Inventors
John R. Brayford
Max L. Cardell
Assignee (at issue)
Fiber Industries, Inc.
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.