Retractable video game cable storage device
Retracting electrical window and door cord
Retrievable electric cord reel
Rewinder device
Rigid trolley rail and method for laying the same
Roadway for supplying power to vehicles and method of using the
Roadway power and control system for inductively coupled transpo
Roadway vehicle
Roadway-powered electric vehicle system
Roller electrode and process for making same
Rotary coupling apparatus for transmission cables
Rotatable electrical connector for coiled telephone cords
Rubber-tire gantry crane with shore power
Safety grounding for metal clad cables
Section insulator for a rigid catenary
Section insulator for catenary systems
Section insulator for catenary systems
Section insulator for conductor rails
Section insulator for electric railway contact conductors
Section insulator with improved arc control