Granted Patent
Utility
US 4,495,466 · App. 06/366,732
Eddy current test probe with circumferential Segments and method of testing material surrounding fastener holes
Inventor:
Kenneth Meade Lakin
Patented Case
View Patent ↗
Granted: Jan 22, 1985
Filed: Apr 8, 1982
Inventor
Kenneth Meade Lakin
Assignee (at issue)
United States of America as represented by the Secretary of the Air Force
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.