Granted Patent
Utility
US 5,919,789 · App. 08/971,857
Xanthines and their therapeutic use
Inventors:
Hazel Joan Dyke, John Gary Montana
Patented Case
View Patent ↗
Granted: Jul 6, 1999
Filed: Nov 17, 1997
Inventors
Hazel Joan Dyke
John Gary Montana
Assignee (at issue)
Darwin Discovery Limited
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.