Granted Patent
Utility
US 5,445,259 · App. 08/114,320
High strength electromagnetic coupling disc
Inventor:
Dennis J. Nelson
Patented Case
View Patent ↗
Granted: Aug 29, 1995
Filed: Aug 30, 1993
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.