Granted Patent
Utility
US 6,084,199 · App. 08/905,001
Plasma arc torch with vented flow nozzle retainer
Inventors:
Jon W. Lindsay, Stephen T. Eickhoff, Michael W. Vandiver
Patented Case
View Patent ↗
Granted: Jul 4, 2000
Filed: Aug 1, 1997
Inventors
Jon W. Lindsay
Stephen T. Eickhoff
Michael W. Vandiver
Assignee (at issue)
Hypertherm, 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.