Granted Patent
Utility
US 5,905,376 · App. 08/699,621
Method and apparatus for detecting corrosion under non-ferromagnetic coatings
Inventors:
David M. Synderman, Donald D. Palmer, Jr., Mark S. Conradi, Daniel Leopold, Charles G. Fry
Patented Case
View Patent ↗
Granted: May 18, 1999
Filed: Aug 19, 1996
Inventors
David M. Synderman
Donald D. Palmer, Jr.
Mark S. Conradi
Daniel Leopold
Charles G. Fry
Assignee (at issue)
McDonnell Douglas 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.