Granted Patent
Utility
US 6,620,634 · App. 10/051,849
Method of accurately measuring compositions of thin film shape memory alloys
Inventors:
A. David Johnson, Valery Martynov
Patented Case
View Patent ↗
Granted: Sep 16, 2003
Filed: Jan 17, 2002
Inventors
A. David Johnson
Valery Martynov
Assignee (at issue)
TiNi Alloy 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.