Granted Patent
Utility
US 6,803,135 · App. 10/372,570
Thermal barrier coating having low thermal conductivity
Inventors:
Yourong Liu, Paul Lawton
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: Feb 24, 2003
Inventors
Yourong Liu
Paul Lawton
Assignee (at issue)
Chromalloy Gas Turbine 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.