Granted Patent
Utility
US 4,701,443 · App. 06/477,792
Nutrient polyesters
Inventors:
Deanna J. Nelson, Bruce Rowe
Patented Case
View Patent ↗
Granted: Oct 20, 1987
Filed: Mar 22, 1983
Inventors
Deanna J. Nelson
Bruce Rowe
Assignee (at issue)
Baxter Travenol Laboratories, Inc.
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.