Granted Patent
Utility
US 6,422,090 · App. 09/543,021
Apparatus for a thermodynamic material testing system that produces very large strains in crystalline metallic specimens and accompanying methods for use therein
Inventor:
Hugo S. Ferguson
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Apr 4, 2000
Inventor
Hugo S. Ferguson
Assignee (at issue)
DYNAMIC SYSTEMS HOLDING BV
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.