Granted Patent
Utility
US 5,150,779 · App. 07/820,344
Armature assembly for an electromagnetic coupling
Inventor:
Dwight E. Booth
Patented Case
View Patent ↗
Granted: Sep 29, 1992
Filed: Jan 14, 1992
Inventor
Dwight E. Booth
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.