Granted Patent
Utility
US 5,244,787 · App. 07/649,036
Antigen retrieval in formalin-fixed tissues using microwave energy
Inventors:
Marc Key, Shan Shi, Krishan L. Kalra
Patented Case
View Patent ↗
Granted: Sep 14, 1993
Filed: Jan 31, 1991
Inventors
Marc Key
Shan Shi
Krishan L. Kalra
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.