Granted Patent
Utility
US 6,749,556 · App. 10/142,861
Electroactive polymer based artificial sphincters and artificial muscle patches
Inventor:
Michael S. Banik
Patented Case
View Patent ↗
Granted: Jun 15, 2004
Filed: May 10, 2002
Inventor
Michael S. Banik
Assignee (at issue)
Scimed Life Systems, 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.