Granted Patent
Utility
US 6,800,364 · App. 10/184,850
Isotropic pitch-based materials for thermal insulation
Inventors:
Charles C. Chiu, Irwin C. Lewis, Ching-Feng Chang
Patented Case
View Patent ↗
Granted: Oct 5, 2004
Filed: Jun 28, 2002
Inventors
Charles C. Chiu
Irwin C. Lewis
Ching-Feng Chang
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.