Granted Patent
Utility
US 5,871,487 · App. 08/814,594
Microdrive for use in stereotactic surgery
Inventors:
Nicholas F. Warner, Moses Goddard, John Mills
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Mar 10, 1997
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.