Granted Patent
Utility
US 5,846,654 · App. 08/652,717
High tenacity, high elongation polypropylene fibers, their manufacture, and use
Inventor:
James P. Modrak
Patented Case
View Patent ↗
Granted: Dec 8, 1998
Filed: May 30, 1996
Inventor
James P. Modrak
Assignee (at issue)
HERCULES LLC
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.