Granted Patent
Utility
US 5,989,736 · App. 08/866,643
Carbon fiber and ceramic fiber paper composites and uses therefor
Inventors:
Timothy S. Lintz, Christopher Brook ROBINSON, Mark D. Stahlman
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: May 30, 1997
Inventors
Timothy S. Lintz
Christopher Brook ROBINSON
Mark D. Stahlman
Assignee (at issue)
Unifrax 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.