Granted Patent
Utility
US 6,670,190 · App. 10/331,802
Method for testing the degradation of polymeric materials
Inventors:
Joseph A. Gardella, Jr., Jiaxing Chen, Norma L. Hernandez de Gatica, Joo-Woon Lee
Patented Case
View Patent ↗
Granted: Dec 30, 2003
Filed: Apr 7, 2003
Inventors
Joseph A. Gardella, Jr.
Jiaxing Chen
Norma L. Hernandez de Gatica
Joo-Woon Lee
Assignee (at issue)
The Research Foundation of the State University of New York
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.