Granted Patent
Utility
US 4,670,285 · App. 06/711,870
Infant formula
Inventors:
Michael Thomas Clandinin, Janet E. Chappell
Patented Case
View Patent ↗
Granted: Jun 2, 1987
Filed: Mar 14, 1985
Inventors
Michael Thomas Clandinin
Janet E. Chappell
Assignee (at issue)
University of Toronto Innovations.Foundation
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.