Goldman also manufactured the more familiar and more modern "nesting cart" under a license granted by Telescope Carts, Inc. In 1946, Orla Watson, co-founder of Telescope Carts, Inc. developed an innovative "nesting" shopping cart that did not require disassembly after each use as Goldman's designs did, and which allowed for the shopping carts to telescope, or "nest", by simply shoving the carts together. Goldman patented his own "Nest-Kart" over a year later in 1948, so an interference investigation was ordered by Watson of Telescope Carts, Inc. for alleged patent infringement during the same time period. In a compromise solution, Goldman agreed to relinquish his rights on his existing patent and agreed to pay the sum of $1 for counterfeit damages. In return, Telescope Cart, Inc. agreed to an exclusive license granted to Goldman's company for the production of the telescoping, or "nesting", cart. The telescoping cart, based on the patent issued to Watson, forms the basis of the shopping cart designs used to the present, and all royalties for the new design were paid to Telescope Carts, Inc. until their patent expired.