Granted Patent
Utility
US 5,219,115 · App. 07/945,843
Method and apparatus for testing welds
Inventors:
Allen Conley, Sang J. Hamilton, Mark D. Debbink, Rubert E. Minton
Patented Case
View Patent ↗
Granted: Jun 15, 1993
Filed: Sep 16, 1992
Inventors
Allen Conley
Sang J. Hamilton
Mark D. Debbink
Rubert E. Minton
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.