Granted Patent
Utility
US 5,677,187 · App. 08/469,226
Tagging chemical compositions
Inventors:
David K. Anderson, Manuel E. Gonzalez, Nicholas Valenti
Patented Case
View Patent ↗
Granted: Oct 14, 1997
Filed: Jun 6, 1995
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.