Granted Patent
Utility
US 6,534,975 · App. 09/754,188
NONDESTRUCTIVE METHOD FOR DETERMINING THE THICKNESS OF A METALLIC PROTECTIVE LAYER ON A METALLIC BASE MATERIAL VIA A DIFFERENT TYPE OF LAYER BETWEEN THE METALLIC PROTECTIVE LAYER AND THE METALLIC BASE MATERIAL
Inventors:
Alexander Beeck, Andreas Boegli, John Fernihough, Klaus Schneider
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Jan 5, 2001
Inventors
Alexander Beeck
Andreas Boegli
John Fernihough
Klaus Schneider
Assignee (at issue)
ALSTOM (Switzerland) Ltd
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.