Granted Patent
Utility
US 5,170,030 · App. 07/762,852
Plasma torch electronic pulsing circuit
Inventors:
Dennis J. Solley, David A. Tatham
Patented Case
View Patent ↗
Granted: Dec 8, 1992
Filed: Sep 18, 1991
Inventors
Dennis J. Solley
David A. Tatham
Assignee (at issue)
Thermal Dynamics Corporation
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.