First, the applicant for patent must be able to demonstrate that he or she has developed a new, useful, and not obvious process or product. Search within the title, abstract, claims, or full patent document: You can restrict your search to a specific field using field names.Minnesota is the fifth state in the US to approve a law establishing an extended producer responsibility program for packaging. Minnesota lawmakers are rushing to implement the Packaging Waste and Cost Reduction Act. Resources are available for Minnesota residents to help inventors and entrepreneurs learn more about protecting their intellectual property. On May 21, 2024, Minnesota became the fifth US state to mandate an Extended Producer Responsibility (EPR) Packaging Law. To buy items exempt from tax, you must give the vendor a completed Form ST3, Certificate of Exemption. Ments in the Manufacture of Paper Bags; and. Abstract: Composition, apparatus, and methods of composition and apparatus manufacture, for sharpening a paper shredder blade. At the time of acquisition, El Dorado was operating three plants across the US in the states of Arkansas, Minnesota and Nebraska.