Granted Patent
Utility
US 5,207,638 · App. 07/801,357
Blood transfer apparatus
Inventors:
Pradip V. Choksi, Thomas R. Thornhury, Julie A. Ryan
Patented Case
View Patent ↗
Granted: May 4, 1993
Filed: Dec 2, 1991
Inventors
Pradip V. Choksi
Thomas R. Thornhury
Julie A. Ryan
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.