Granted Patent
Utility
US 4,748,129 · App. 06/645,458
Assay method employing fluorescent cell incorporative dye
Inventors:
Chiu C. Chang, Vartan Ghazarossian, Edwin F. Ullman
Patented Case
View Patent ↗
Granted: May 31, 1988
Filed: Aug 28, 1984
Inventors
Chiu C. Chang
Vartan Ghazarossian
Edwin F. Ullman
Assignee (at issue)
Snytex (U.S.A.) 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.