Granted Patent
Utility
US 4,407,946 · App. 06/313,849
Process for producing antibiotic X-14868A
Inventors:
David P. Labeda, John H. E. J. Martin, Joseph J. Goodman
Patented Case
View Patent ↗
Granted: Oct 4, 1983
Filed: Oct 22, 1981
Inventors
David P. Labeda
John H. E. J. Martin
Joseph J. Goodman
Assignee (at issue)
American Cyanamid Company
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.