Granted Patent
Utility
US 5,162,112 · App. 07/506,533
Influenza vaccine
Inventors:
John S. Oxford, James Stuart Robertson, Geoffrey C. Schild, David A. Tyrrell
Patented Case
View Patent ↗
Granted: Nov 10, 1992
Filed: Apr 9, 1990
Inventors
John S. Oxford
James Stuart Robertson
Geoffrey C. Schild
David A. Tyrrell
Assignee (at issue)
NATIONAL RESEARCH DEVELOPMENT CORPORATION
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.