Granted Patent
Utility
US 4,385,637 · App. 06/220,576
Blood sampler
Inventor:
David S. Akhavi
Patented Case
View Patent ↗
Granted: May 31, 1983
Filed: Dec 29, 1980
Inventor
David S. Akhavi
Assignee (at issue)
American Hospital Supply Corp.
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.