Granted Patent
Utility
US 5,251,634 · App. 07/695,543
Helical nerve electrode
Inventor:
Steven Weinberg
Patented Case
View Patent ↗
Granted: Oct 12, 1993
Filed: May 3, 1991
Inventor
Steven Weinberg
Assignee (at issue)
Cybersonics, 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.