Granted Patent
Utility
US 4,476,450 · App. 06/436,145
Electromagnetic solenoid relay
Inventor:
Samuel Brown
Patented Case
View Patent ↗
Granted: Oct 9, 1984
Filed: Oct 22, 1982
Inventor
Samuel Brown
Assignee (at issue)
Essex Group LLC
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.