Granted Patent
Utility
US 6,280,419 · App. 09/369,866
Hypodermic needle guard
Inventor:
William J. Vojtasek
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: Aug 9, 1999
Inventor
William J. Vojtasek
Assignee (at issue)
ARROW INTERNATIONAL LLC
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.