Granted Patent
Utility
US 4,386,083 · App. 06/303,003
Injectable oxytetracycline compositions
Inventors:
Walter Hacke, Herman Horn
Patented Case
View Patent ↗
Granted: May 31, 1983
Filed: Sep 17, 1981
Inventors
Walter Hacke
Herman Horn
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.