Granted Patent
Utility
US 5,885,838 · App. 08/893,146
Method of identifying chemicals by use of non-radioactive isotopes
Inventors:
David K. Anderson, Manuel E. Gonzalez, Nicholas Valenti
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Jul 15, 1997
Inventors
David K. Anderson
Manuel E. Gonzalez
Nicholas Valenti
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.