Granted Patent
Utility
US 5,470,152 · App. 08/346,348
Radially mounted magnetic coupling
Inventor:
Robert L. Rains
Patented Case
View Patent ↗
Granted: Nov 28, 1995
Filed: Nov 29, 1994
Inventor
Robert L. Rains
Assignee (at issue)
Federal Signal Corporation
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.