Granted Patent
Utility
US 6,001,585 · App. 08/970,332
Micro hollow fiber bioreactor
Inventor:
Michael J. Gramer
Patented Case
View Patent ↗
Granted: Dec 14, 1999
Filed: Nov 14, 1997
Inventor
Michael J. Gramer
Assignee (at issue)
Cellex Biosciences, 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.