Granted Patent
Utility
US 5,407,625 · App. 08/156,237
Method of forming self-texturing filaments and resulting self-texturing filaments
Inventors:
Fred L. Travelute, Robert E. Hoffman
Patented Case
View Patent ↗
Granted: Apr 18, 1995
Filed: Nov 22, 1993
Inventors
Fred L. Travelute
Robert E. Hoffman
Assignee (at issue)
Wellman 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.