Granted Patent
Utility
US 4,533,629 · App. 06/374,849
Simultaneous calibration heterogeneous immunoassay
Inventors:
David J. Litman, Edwin F. Ullman
Patented Case
View Patent ↗
Granted: Aug 6, 1985
Filed: May 4, 1982
Inventors
David J. Litman
Edwin F. Ullman
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.