Granted Patent
Utility
US 4,978,446 · App. 07/467,034
Sterile blood component collection
Inventor:
Donn D. Lobdell
Patented Case
View Patent ↗
Granted: Dec 18, 1990
Filed: Jan 18, 1990
Inventor
Donn D. Lobdell
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.