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All USA states > Minnesota > Greenfield patent applications Greenfield, Minnesota, USAPatent applications with an agent or inventor associated with Greenfield, Minnesota, USA.20070163910 - Packaging system with oxygen sensor for gas inflation/evacuation system and sealing system ### The listing of Patent Applications for Greenfield, Minnesota, 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 Greenfield, Minnesota, USA patents or the website in general. |