Granted Patent
Utility
US 5,871,990 · App. 08/648,298
UDP-N-acetyl-.alpha.-D-galactosamine: polypeptide N-acetylgalactosaminyltransferase, gAlnAc-T3
Inventors:
Henrik Clausen, Eric Paul Bennett
Patented Case
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Granted: Feb 16, 1999
Filed: May 15, 1996
Inventors
Henrik Clausen
Eric Paul Bennett
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.