Granted Patent
Utility
US 4,968,432 · App. 07/195,496
Treatment of liquid including blood components
Inventor:
Glen Delbert Antwiler
Patented Case
View Patent ↗
Granted: Nov 6, 1990
Filed: May 18, 1988
Inventor
Glen Delbert Antwiler
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.