Granted Patent
Utility
US 4,625,193 · App. 06/616,737
Magnet lead assembly
Inventor:
John R. Purcell
Patented Case
View Patent ↗
Granted: Nov 25, 1986
Filed: Jun 4, 1984
Inventor
John R. Purcell
Assignee (at issue)
GA Technologies, 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.