Granted Patent
Utility
US 4,900,686 · App. 07/034,225
Fluorescent conjugates and biological diagnostic assay
Inventors:
Michael J. Arnost, Frank A. Meneghini, Paul S. Palumbo, Stephen G. Stroud
Patented Case
View Patent ↗
Granted: Feb 13, 1990
Filed: Apr 2, 1987
Inventors
Michael J. Arnost
Frank A. Meneghini
Paul S. Palumbo
Stephen G. Stroud
Assignee (at issue)
Polaroid 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.