Granted Patent
Utility
US 5,074,839 · App. 07/397,877
Blood transfer apparatus
Inventors:
Pradip V. Choksi, Thomas R. Thornbury
Patented Case
View Patent ↗
Granted: Dec 24, 1991
Filed: Aug 24, 1989
Inventors
Pradip V. Choksi
Thomas R. Thornbury
Assignee (at issue)
Hemotrans, 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.