Granted Patent
Utility
US 6,680,199 · App. 09/576,592
In vitro activation of mammalian oocytes
Inventors:
Joan L. Susko-Parrish, David L. Northey, M. Lorraine Leibfried-Rutledge, Steven Stice
Patented Case
View Patent ↗
Granted: Jan 20, 2004
Filed: May 22, 2000
Inventors
Joan L. Susko-Parrish
David L. Northey
M. Lorraine Leibfried-Rutledge
Steven Stice
Assignee (at issue)
Infigen, 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.