Granted Patent
Utility
US 5,622,857 · App. 08/512,546
High performance cell culture bioreactor and method
Inventor:
Randal A. Goffe
Patented Case
View Patent ↗
Granted: Apr 22, 1997
Filed: Aug 8, 1995
Inventor
Randal A. Goffe
Assignee (at issue)
Genespan Corporation
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.