Granted Patent
Utility
US 5,593,629 · App. 08/392,033
Method for increased productivity of industrial fiber
Inventors:
Frederick Travelute, Robert E. Hoffman, Mendel Lyde Poston, Jr.
Patented Case
View Patent ↗
Granted: Jan 14, 1997
Filed: Feb 22, 1995
Inventors
Frederick Travelute
Robert E. Hoffman
Mendel Lyde Poston, Jr.
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.