Granted Patent
Utility
US 6,716,432 · App. 08/378,213
Pneumolysin mutants and pneumococcal vaccines made therefrom
Inventors:
James Cleland Paton, David John Hansman, Graham John Boulnois, Peter Andrew, Timothy John Mitchell, John Walker
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Jan 25, 1995
Inventors
James Cleland Paton
David John Hansman
Graham John Boulnois
Peter Andrew
Timothy John Mitchell
John Walker
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.