Meet the Inventor: Marc Zech

Wer schlägt John XXL mit Marc Zech

Introducing Bandnets by Quirky

SharkShovel.com

Weihnachtskonzert Voice Company Lesung - Marc William Zech

Behind the Scenes: Quirky + GE Inventors' First Look at App-Enabled Products for the Smart Home

Deirdre Cross from Funko Games Shares Inventing Tips with Young Inventors