Granted Patent
Utility
US 5,142,033 · App. 07/738,324
Structure-independent DNA amplification by the polymerase chain reaction
Inventor:
Michael A. Innis
Patented Case
View Patent ↗
Granted: Aug 25, 1992
Filed: Jul 31, 1991
Inventor
Michael A. Innis
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.