Granted Patent
Utility
US 4,240,423 · App. 05/953,605
Autoclavable transparent needle
Inventor:
David S. Akhavi
Patented Case
View Patent ↗
Granted: Dec 23, 1980
Filed: Oct 23, 1978
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.