Granted Patent
Utility
US 5,126,238 · App. 07/480,533
Hollow fiber cell propagation system and method
Inventors:
Timothy C. Gebhard, Uday Kumar Veeramallu
Patented Case
View Patent ↗
Granted: Jun 30, 1992
Filed: Feb 15, 1990
Inventors
Timothy C. Gebhard
Uday Kumar Veeramallu
Assignee (at issue)
UniSyn Fibertec 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.