Granted Patent
Utility
US 6,400,449 · App. 09/848,144
Optical stress generator and detector
Inventors:
Humphrey J. Maris, Robert J. Stoner
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: May 3, 2001
Inventors
Humphrey J. Maris
Robert J. Stoner
Assignee (at issue)
Brown University Research Foundation
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.