Granted Patent
Utility
US 6,803,108 · App. 10/073,720
Carbon fiber binder pitch
Inventors:
Irwin C. Lewis, Terrence Pirro
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: Feb 11, 2002
Inventors
Irwin C. Lewis
Terrence Pirro
Assignee (at issue)
UCAR Carbon Company Inc.
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.