Granted Patent
Utility
US 5,611,997 · App. 08/457,840
Apparatus for producing blood component products
Inventors:
Robert W. Langley, Larry J. Dumont
Patented Case
View Patent ↗
Granted: Mar 18, 1997
Filed: Jun 1, 1995
Inventors
Robert W. Langley
Larry J. Dumont
Assignee (at issue)
Cobe Laboratories, 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.