Robert, Rosetta and Tony Pankey started Duff Doorstopper LLC in July of 2007 to market the Duff Doorstopper. Robert in 2010, was honored by the US Patent office for the various patents issued based on the Duff Doorstopper designs. As Duff's family has grown the company to where it is today. It is marketed through multiple distributors through online sales at Amazon.com. The Duffs Doorstoppers are used in Hospitals, Schools, Churches, Hotels and Businesses across the US. "Save a back Save a door".