The U.S. Patent and Trademark Office has granted Nextech3D.ai (CSE:NTAR) three new patents for AI-based algorithms for 3D modelsThis addition brings the total number of 3D modeling patents held by the Toronto-based generative AI tech company to fiveThe new patents encompass advanced AI algorithms that offer the most scalable and efficient methods for generating 3D models from various input sourcesShares of Nextech3D.ai (CSE:NTAR) last traded at $0.09The U.S. Patent and Trademark Office has granted Nextech3D.ai (CSE:NTAR) three new patents for AI-based algorithms for 3D models. This addition br…