Granted Patent
Utility
US 5,543,432 · App. 08/334,223
Application of trace elements to animals
Inventor:
Colin Harvey
Patented Case
View Patent ↗
Granted: Aug 6, 1996
Filed: Nov 4, 1994
Inventor
Colin Harvey
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.