Granted Patent
Utility
US 5,425,718 · App. 08/141,149
Self-sticking needle assembly and method for insertion into an artery
Inventors:
Sew-Wah Tay, Thomas J. Holman
Patented Case
View Patent ↗
Granted: Jun 20, 1995
Filed: Oct 22, 1993
Inventors
Sew-Wah Tay
Thomas J. Holman
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.