Michael Krieger

Docking station for a portable device

Cigarette lighter adapter device that interfaces with an external device via a port interface

Portable accessory device having a port interface used to provide multiple integrated functionalities

Jump starter with built-in battery charger

Grip accessory device for a portable video game

Power station with built in battery charger

Power grip dock

Travel cooler and warmer console

Audio device having integrated satellite receiver and FM transmitter functionalities

Dynamo operated portable device having an alert radio