Granted Patent
Utility
US 6,656,700 · App. 09/827,998
Isoforms of human pregnancy-associated protein-E
Inventors:
Yizhong Gu, Mark Shannon
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: Apr 6, 2001
Inventors
Yizhong Gu
Mark Shannon
Assignee (at issue)
Amersham PLC
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.