Granted Patent
Utility
US 4,612,412 · App. 06/637,145
Electrical outlet box assembly
Inventor:
James J. Johnston
Patented Case
View Patent ↗
Granted: Sep 16, 1986
Filed: Aug 2, 1984
Inventor
James J. Johnston
Assignee (at issue)
Brand-Rex Company
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.