In May, the company announced that it had been issued patent (No. 6굋꺔) covering methods for placing a product in a flexible package with a slider device.
The complaints were issued to Illinois Tool Works, Inc., (Glenview, IL), Pactiv Corp. (Lake Forest, IL), and Presto Products Co. (Appleton, WI), a business of Alcoa Consumer Products. The suits were filed in U.S. District Court in Indianapolis.
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