Granted Patent
Utility
US 5,119,915 · App. 07/700,439
Electromagnetic coupling armature assembly with flux isolator springs
Inventor:
Dennis J. Nelson
Patented Case
View Patent ↗
Granted: Jun 9, 1992
Filed: May 15, 1991
Inventor
Dennis J. Nelson
Assignee (at issue)
DANA LIMITED
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.