Granted Patent
Utility
US 5,567,809 · App. 08/050,073
Methods and reagents for HLA DRbeta DNA typing
Inventors:
Raymond J. Apple, Henry A. Erlich, Robert L. Griffith, Stephen J. Scharf
Patented Case
View Patent ↗
Granted: Oct 22, 1996
Filed: Apr 22, 1993
Inventors
Raymond J. Apple
Henry A. Erlich
Robert L. Griffith
Stephen J. Scharf
Assignee (at issue)
HOFFMANN-LA ROCHE 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.