Granted Patent
Utility
US 5,728,675 · App. 08/465,324
Antemortem nutrient supplement for livestock
Inventors:
Allan Schaefer, Stephen Jones, Richard W. Stanley, Ian K. S. Turnbull, John R. Johanns
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: Jun 5, 1995
Inventors
Allan Schaefer
Stephen Jones
Richard W. Stanley
Ian K. S. Turnbull
John R. Johanns
Assignee (at issue)
Her Majesty the Queen in right of Canada, as represented by the Department of Agriculture & Agri Food
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.