Granted Patent
Utility
US 6,780,357 · App. 10/290,751
Splittable multicomponent polyester fibers
Inventors:
Jeffrey S. Dugan, Frank Harris
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: Nov 8, 2002
Inventors
Jeffrey S. Dugan
Frank Harris
Assignee (at issue)
Fiber Innovation Technology, 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.