Granted Patent
Utility
US 5,170,787 · App. 07/669,461
Device for positioning an electrode
Inventor:
Ulf Lindegren
Patented Case
View Patent ↗
Granted: Dec 15, 1992
Filed: Mar 14, 1991
Inventor
Ulf Lindegren
Assignee (at issue)
Siemens Aktiengesellschaft
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.