Granted Patent
Utility
US 6,149,868 · App. 09/181,291
Surface enhanced raman scattering from metal nanoparticle-analyte-noble metal substrate sandwiches
Inventors:
Michael J. Natan, Christine D. Keating
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: Oct 28, 1998
Inventors
Michael J. Natan
Christine D. Keating
Assignee (at issue)
THE PENN STATE 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.