Granted Patent
Utility
US 4,445,884 · App. 06/292,425
Air purge unit for auto transfusion apparatus
Inventors:
Leonard D. Kurtz, Joseph LiCausi
Patented Case
View Patent ↗
Granted: May 1, 1984
Filed: Aug 14, 1981
Inventors
Leonard D. Kurtz
Joseph LiCausi
Assignee (at issue)
Bioresearch, 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.