Granted Patent
Utility
US 5,333,675 · App. 08/021,624
Apparatus and method for performing automated amplification of nucleic acid sequences and assays using heating and cooling steps
Inventors:
Kary B. Mullis, Larry J. Johnson, Richard Leath, Timothy J. Wennberg, Louis M. Mezei, Joseph T. Widunas
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: Feb 22, 1993
Inventors
Kary B. Mullis
Larry J. Johnson
Richard Leath
Timothy J. Wennberg
Louis M. Mezei
Joseph T. Widunas
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.