Granted Patent
Utility
US 4,387,219 · App. 06/209,412
2-Hydroxy gentamicin compounds
Inventors:
Haruo Yamamoto, Sol J. Daum
Patented Case
View Patent ↗
Granted: Jun 7, 1983
Filed: Nov 24, 1980
Inventors
Haruo Yamamoto
Sol J. Daum
Assignee (at issue)
Sterling Drug, 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.