Granted Patent
Utility
US 6,663,013 · App. 09/876,416
Arc thermal spray gun apparatus
Inventors:
Tim R. Vanden Heuvel, David D. Lewisen, Jeffrey J. Calaway
Patented Case
View Patent ↗
Granted: Dec 16, 2003
Filed: Jun 7, 2001
Inventors
Tim R. Vanden Heuvel
David D. Lewisen
Jeffrey J. Calaway
Assignee (at issue)
Thermach, 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.