Granted Patent
Utility
US 5,529,909 · App. 08/152,483
Tyrosinase-activator protein fusion enzyme
Inventors:
Guy Della-Cioppa, Monto Kumagai
Patented Case
View Patent ↗
Granted: Jun 25, 1996
Filed: Nov 12, 1993
Inventors
Guy Della-Cioppa
Monto Kumagai
Assignee (at issue)
Biosource Technologies, Inc.
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.