Granted Patent
Utility
US 6,594,446 · App. 09/729,747
Heat-treating methods and systems
Inventors:
David Malcolm Camm, J. Elliott
Patented Case
View Patent ↗
Granted: Jul 15, 2003
Filed: Dec 4, 2000
Inventors
David Malcolm Camm
J. Elliott
Assignee (at issue)
Vortek Industries Ltd.
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.