Granted Patent
Utility
US 6,326,583 · App. 09/540,077
Gas control system for a plasma arc torch
Inventors:
Steven F. Hardwick, J. Travis Hardwick, David Lorin Newcomb
Patented Case
View Patent ↗
Granted: Dec 4, 2001
Filed: Mar 31, 2000
Inventors
Steven F. Hardwick
J. Travis Hardwick
David Lorin Newcomb
Assignee (at issue)
InnerLogic, 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.