Granted Patent
Utility
US 5,229,274 · App. 07/819,717
Gene encoding one step cephalosporin C amidase and expression thereof in recombinant bacillus
Inventors:
Mark Crawford, David B. Finkelstein, John A. Rambosek
Patented Case
View Patent ↗
Granted: Jul 20, 1993
Filed: Jan 13, 1992
Inventors
Mark Crawford
David B. Finkelstein
John A. Rambosek
Assignee (at issue)
MERCK & CO., 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.