Granted Patent
Utility
US 4,895,809 · App. 06/569,361
Immobilized antigen-antibody displacement process
Inventors:
Timothy D. Schlabach, Fred E. Regnier
Patented Case
View Patent ↗
Granted: Jan 23, 1990
Filed: Jan 9, 1984
Inventors
Timothy D. Schlabach
Fred E. Regnier
Assignee (at issue)
Varian, 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.