Granted Patent
Utility
US 6,544,788 · App. 09/784,568
Disposable perfusion bioreactor for cell culture
Inventor:
Vijay Singh
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Feb 15, 2001
Inventor
Vijay Singh
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.