Granted Patent
Utility
US 5,685,862 · App. 08/573,663
Hypodermic needle assembly
Inventor:
Sakharam D. Mahurkar
Patented Case
View Patent ↗
Granted: Nov 11, 1997
Filed: Dec 18, 1995
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.