Granted Patent
Utility
US 5,828,211 · App. 08/553,272
Determining stress in ferromagnetic materials from measurements of magnetic anisotropy and magnetic permeability
Inventors:
Christopher Brian Scruby, David John Buttle, Fiona Anne Ravenscroft, Carlo Guido de Michelis, Massimo Gori, Giampiero Antonelli
Patented Case
View Patent ↗
Granted: Oct 27, 1998
Filed: Nov 16, 1995
Inventors
Christopher Brian Scruby
David John Buttle
Fiona Anne Ravenscroft
Carlo Guido de Michelis
Massimo Gori
Giampiero Antonelli
Assignees (at issue)
AEA Technology PLC
Centro Informazioni Studi Esperienze SPA
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.