Granted Patent
Utility
US 5,383,365 · App. 07/947,123
Crack orientation determination and detection using horizontally polarized shear waves
Inventor:
Jonathan D. Buttram
Patented Case
View Patent ↗
Granted: Jan 24, 1995
Filed: Sep 17, 1992
Inventor
Jonathan D. Buttram
Assignee (at issue)
The Babcock & Wilcox 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.