Granted Patent
Utility
US 6,565,541 · App. 09/905,671
Cannula guard and cannula for a syringe
Inventor:
Fraser R. Sharp
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Jul 18, 2001
Inventor
Fraser R. Sharp
Assignee (at issue)
Inviro Medical Devices, Inc.
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.