Granted Patent
Utility
US 6,062,083 · App. 09/016,050
Measuring crack growth by acoustic emission
Inventor:
Harold L. Dunegan
Patented Case
View Patent ↗
Granted: May 16, 2000
Filed: Jan 29, 1998
Inventor
Harold L. Dunegan
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.