Granted Patent
Utility
US 6,743,524 · App. 10/063,917
Barrier layer for an article and method of making said barrier layer by expanding thermal plasma
Inventor:
Marc Schaepkens
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: May 23, 2002
Inventor
Marc Schaepkens
Assignee (at issue)
General Electric Company
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.