Granted Patent
Utility
US 6,772,077 · App. 09/762,562
Electric arc monitoring systems
Inventors:
Michael Parker, Howard M. Ham, Jr., James J. Keenan, Luc Pierre Benoit
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Feb 13, 2002
Inventors
Michael Parker
Howard M. Ham, Jr.
James J. Keenan
Luc Pierre Benoit
Assignee (at issue)
HENDRY MECHANICAL WORKS
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.