Granted Patent
Utility
US 4,446,122 · App. 06/316,954
Purified human prostate antigen
Inventors:
Tsann M. Chu, Ming-Chia Wang, Lawrence D. Papsidero
Patented Case
View Patent ↗
Granted: May 1, 1984
Filed: Aug 28, 1981
Inventors
Tsann M. Chu
Ming-Chia Wang
Lawrence D. Papsidero
Assignee (at issue)
AGRESEARCH 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.