Granted Patent
Utility
US 4,620,284 · App. 06/566,842
Qualitative and quantitative analysis using Raman scattering
Inventors:
Robert P. Schnell, Robert W. Sampson, Ronald F. Pacanowski, Donald J. Bruggema
Patented Case
View Patent ↗
Granted: Oct 28, 1986
Filed: Dec 29, 1983
Inventors
Robert P. Schnell
Robert W. Sampson
Ronald F. Pacanowski
Donald J. Bruggema
Assignee (at issue)
UOP LLC
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.