Granted Patent
Utility
US 6,048,721 · App. 08/939,489
Bioreactor for mammalian cell growth and maintenance
Inventors:
R. Douglas Armstrong, James Maluta, David W. Roecker
Patented Case
View Patent ↗
Granted: Apr 11, 2000
Filed: Sep 29, 1997
Inventors
R. Douglas Armstrong
James Maluta
David W. Roecker
Assignee (at issue)
Aastrom 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.