Granted Patent
Utility
US 4,816,480 · App. 07/049,053
Method for the preparation of feed premix in compositions of maduramicin
Inventors:
Richard B. Toothill, Irving Klothen, Mimi Yih-Pei Chou Schaaf
Patented Case
View Patent ↗
Granted: Mar 28, 1989
Filed: May 12, 1987
Inventors
Richard B. Toothill
Irving Klothen
Mimi Yih-Pei Chou Schaaf
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.