Granted Patent
Utility
US 4,556,318 · App. 06/501,840
Spectrochemical analysis
Inventors:
Ramon M. Barnes, Peter Fodor
Patented Case
View Patent ↗
Granted: Dec 3, 1985
Filed: Jun 7, 1983
Inventors
Ramon M. Barnes
Peter Fodor
Assignee (at issue)
ALLIED CONSULTING, INC.
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.