Granted Patent
Utility
US 6,656,478 · App. 09/439,589
Cross-protective salmonella vaccines
Inventors:
Samuel CHARLES, Albert Abraham, Emilio Trigo-Tavera
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: Nov 12, 1999
Inventors
Samuel CHARLES
Albert Abraham
Emilio Trigo-Tavera
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.