Granted Patent
Utility
US 5,461,313 · App. 08/080,360
Method of detecting cracks by measuring eddy current decay rate
Inventors:
William Mark Bohon, Pedro F. Lara
Patented Case
View Patent ↗
Granted: Oct 24, 1995
Filed: Jun 21, 1993
Inventors
William Mark Bohon
Pedro F. Lara
Assignee (at issue)
Atlantic Richfield 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.