Granted Patent
Utility
US 4,795,486 · App. 07/099,036
Aminopyrazinones and aminotriazinones
Inventors:
Beat Bohner, Willy Meyer
Patented Case
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Granted: Jan 3, 1989
Filed: Sep 21, 1987
Inventors
Beat Bohner
Willy Meyer
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.