Granted Patent
Utility
US 5,336,850 · App. 07/963,202
Electrical power cord entry device
Inventor:
Brian M. Mitsch
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Oct 19, 1992
Inventor
Brian M. Mitsch
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.