Granted Patent
Utility
US 6,517,809 · App. 09/424,494
Process for preparing a reactive pharmaceutical product for the detection of gastrointestinal disorder caused by bacteria in the gastrointestinal superior tract
Inventor:
Barry J. Marshall
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: Aug 1, 2000
Inventor
Barry J. Marshall
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.