Granted Patent
Utility
US 5,643,286 · App. 08/265,242
Microdrive for use in stereotactic surgery
Inventors:
Nicholas F. Warner, Moses Goddard, John Mills
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Jun 24, 1994
Inventors
Nicholas F. Warner
Moses Goddard
John Mills
Assignee (at issue)
Cytotherapeutics, 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.