Granted Patent
Utility
US 4,422,701 · App. 06/410,650
Electrical receptacles
Inventor:
Raymond G. Anderson
Patented Case
View Patent ↗
Granted: Dec 27, 1983
Filed: Aug 23, 1982
Inventor
Raymond G. Anderson
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.