Granted Patent
Utility
US 6,015,552 · App. 08/910,691
Use of nerve growth factor-2 (NGF-2) /neurotrophin-3 (NT-3) to promote leukocyte proliferation
Inventors:
Tatsuya Watanabe, Sumie Yoshitomi, Reiko Sasada
Patented Case
View Patent ↗
Granted: Jan 18, 2000
Filed: Aug 13, 1997
Inventors
Tatsuya Watanabe
Sumie Yoshitomi
Reiko Sasada
Assignee (at issue)
Takeda Chemical Industries Ltd.
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.