Granted Patent
Utility
US 6,280,401 · App. 08/859,140
Hypodermic needle assembly
Inventor:
Sakharam D. Mahurkar
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: May 20, 1997
Inventor
Sakharam D. Mahurkar
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.