Patents | - United States Patent and Trademark Office

paten4dIntroduction to Patents. A patent is a rht that is granted for an invention in the form of a new product, process or technical improvement to existing technology.Respon Yang Cepat & Ramah oleh CS PATEN4D 6202021 11:56:00 AM PATEN4D PROMO DEPOSIT PULSA TANPA POTONGAN Reviewed by BANDAR TOGEL DUNIA on 6202021