Granted Patent
Utility
US 4,206,203 · App. 05/952,033
Method for treating ketotic ruminants with antibiotic AV290
Inventors:
Donald L. Ingle, Ronald H. Dalrymple
Patented Case
View Patent ↗
Granted: Jun 3, 1980
Filed: Oct 16, 1978
Inventors
Donald L. Ingle
Ronald H. Dalrymple
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.