Granted Patent
Utility
US 5,891,657 · App. 08/246,216
Immunoassay standards for volatile analytes with benzene rings
Inventors:
Jeanne A. Itak, Michele Y. Selisker, David P. Herzog
Patented Case
View Patent ↗
Granted: Apr 6, 1999
Filed: May 19, 1994
Inventors
Jeanne A. Itak
Michele Y. Selisker
David P. Herzog
Assignee (at issue)
Strategic Diagnostics 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.