Granted Patent
Utility
US 6,538,435 · App. 09/931,979
Method for detecting an anomaly in an object of electrically conductive material along first and second direction at inspection points
Inventors:
Paulus Carolus Nicolaas Crouzen, Mark Theodoor Looijer, Johan van der Steen
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Aug 17, 2001
Inventors
Paulus Carolus Nicolaas Crouzen
Mark Theodoor Looijer
Johan van der Steen
Assignee (at issue)
SHELL OIL 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.