Granted Patent
Utility
US 5,656,493 · App. 08/199,505
System for automated performance of the polymerase chain reaction
Inventors:
Kary B. Mullis, Larry J. Johnson, Richard Leath, Timothy J. Wennberg, Louis M. Mezei, Joseph T. Widunas
Patented Case
View Patent ↗
Granted: Aug 12, 1997
Filed: Feb 18, 1994
Inventors
Kary B. Mullis
Larry J. Johnson
Richard Leath
Timothy J. Wennberg
Louis M. Mezei
Joseph T. Widunas
Assignee (at issue)
PerkinElmer, 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.