Granted Patent
Utility
US 4,912,034 · App. 07/099,098
Immunoassay test device and method
Inventors:
Krishan L. Kalra, Katarzyna Pawlak, Patricia A. Moon, Larry D. French
Patented Case
View Patent ↗
Granted: Mar 27, 1990
Filed: Sep 21, 1987
Inventors
Krishan L. Kalra
Katarzyna Pawlak
Patricia A. Moon
Larry D. French
Assignee (at issue)
BioGenex Laboratories, 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.