Granted Patent
Utility
US 4,475,028 · App. 06/465,615
Multi-mode constant potential pulsed welding apparatus
Inventors:
William L. McGuire, Gerald E. Paxton, Dougals M. Wheeler
Patented Case
View Patent ↗
Granted: Oct 2, 1984
Filed: Feb 10, 1983
Inventors
William L. McGuire
Gerald E. Paxton
Dougals M. Wheeler
Assignee (at issue)
Newport News Shipbuilding and Dry Dock Company
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.