Granted Patent
Utility
US 4,252,783 · App. 06/049,540
Reducing fluorescent background in fluorescent immunoassays
Inventors:
Jean Kam, Robert A. Yoshida
Patented Case
View Patent ↗
Granted: Feb 24, 1981
Filed: Jun 18, 1979
Inventors
Jean Kam
Robert A. Yoshida
Assignee (at issue)
Syva Company
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.