Granted Patent
Utility
US 5,721,179 · App. 08/594,603
Cut resistant fabric, apparel, and yarn
Inventors:
Lie Shi, Ralph S. Blake
Patented Case
View Patent ↗
Granted: Feb 24, 1998
Filed: Feb 2, 1996
Inventors
Lie Shi
Ralph S. Blake
Assignee (at issue)
Hoechst Celanese Corporation
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.