Granted Patent
Utility
US 5,931,818 · App. 08/969,165
Method of and apparatus for intraparenchymal positioning of medical devices
Inventors:
Peter R. Werp, Rogers C. Ritter, Walter M. Blume
Patented Case
View Patent ↗
Granted: Aug 3, 1999
Filed: Nov 12, 1997
Inventors
Peter R. Werp
Rogers C. Ritter
Walter M. Blume
Assignee (at issue)
STEREOTAXIS, 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.