Granted Patent
Utility
US 4,419,313 · App. 06/167,164
Self crimping yarn and process
Inventors:
James E. Bromley, John R. Dees, Harold M. Familant, Wayne T. Mowe, Darwyn E. Walker
Patented Case
View Patent ↗
Granted: Dec 6, 1983
Filed: Jul 9, 1980
Inventors
James E. Bromley
John R. Dees
Harold M. Familant
Wayne T. Mowe
Darwyn E. Walker
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.