Granted Patent
Utility
US 4,921,787 · App. 07/044,665
Detection of antibodies to human immunodeficiency virus by agglutination of antigen coated latex
Inventors:
Charles H. Riggin, Dante J. Marciani
Patented Case
View Patent ↗
Granted: May 1, 1990
Filed: May 1, 1987
Inventors
Charles H. Riggin
Dante J. Marciani
Assignee (at issue)
Cambridge Bioscience Corporation
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.