Granted Patent
Utility
US 4,551,429 · App. 06/532,642
Stimulation of antigen production by Bordetella pertussis
Inventor:
George Greenspan
Patented Case
View Patent ↗
Granted: Nov 5, 1985
Filed: Sep 15, 1983
Inventor
George Greenspan
Assignee (at issue)
Amerimas Home Products, 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.