Granted Patent
Utility
US 5,789,558 · App. 08/188,277
Protein prenyltransferase
Inventors:
Patrick J. Casey, Fang Liang Zhang, Ronald E. Diehl, Nancy Kohl, Charles A. Omer
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Jan 31, 1994
Inventors
Patrick J. Casey
Fang Liang Zhang
Ronald E. Diehl
Nancy Kohl
Charles A. Omer
Assignees (at issue)
MERCK & CO., INC.
Duke University
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.