Granted Patent
Utility
US 5,628,172 · App. 08/299,206
Composite yarns for protective garments
Inventors:
Nathaniel H. Kolmes, Harold F. Plemmons
Patented Case
View Patent ↗
Granted: May 13, 1997
Filed: Aug 31, 1994
Inventors
Nathaniel H. Kolmes
Harold F. Plemmons
Assignees (at issue)
Nathaniel H. Kolmes
Harold F. Plemmons
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.