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All USA states > Ohio > Hartville patent applications Hartville, Ohio, USAPatent applications with an agent or inventor associated with Hartville, Ohio, USA.20070173554 - Method of manufacturing polystyrene foam with polymer processing additives ### The listing of Patent Applications for Hartville, Ohio, USA is of recent patent applications only. Freshpatents.com tracks patent applications. The applications are submitted to the USPTO for approval, published and eventually approved or denied. This process is completed in anywhere between 1-3 years time by the USPTO, a US goverment agency not affiliated with Freshpatents.com. Notifiy us with any corrections or comments about Hartville, Ohio, USA patents or the website in general. |