Granted Patent
Utility
US 4,859,612 · App. 07/105,285
Metal sol capture immunoassay procedure, kit for use therewith and captured metal containing composite
Inventors:
Francis X. Cole, Gene A. Davis, Eric C. Sigillo
Patented Case
View Patent ↗
Granted: Aug 22, 1989
Filed: Oct 7, 1987
Inventors
Francis X. Cole
Gene A. Davis
Eric C. Sigillo
Assignee (at issue)
Hygeia Sciences, 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.