Granted Patent
Utility
US 4,843,319 · App. 07/134,224
Transient electromagnetic method for detecting corrosion on conductive containers having variations in jacket thickness
Inventor:
Pedro F. Lara
Patented Case
View Patent ↗
Granted: Jun 27, 1989
Filed: Dec 17, 1987
Inventor
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.