Granted Patent
Utility
US 6,558,409 · App. 09/966,661
Plasma treated surgical needles and methods for their manufacture
Inventor:
Mark S. Roby
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Sep 28, 2001
Inventor
Mark S. Roby
Assignee (at issue)
Tyco Healthcare Group LP
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.