Granted Patent
Utility
US 5,776,607 · App. 08/903,698
Flexible biregional carbonaceous fiber, articles made from biregional carbonaceous fibers, and method of manufacture
Inventor:
Francis P. McCullough, Jr.
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Jul 31, 1997
Inventor
Francis P. McCullough, Jr.
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.