Granted Patent
Utility
US 4,837,202 · App. 07/095,986
Method for stimulating the immune system
Inventors:
Carl K. Edwards, III, Libby M. Yunger
Patented Case
View Patent ↗
Granted: Jun 6, 1989
Filed: Sep 14, 1987
Inventors
Carl K. Edwards, III
Libby M. Yunger
Assignee (at issue)
Pitman-Moore, 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.