Patent 7228658 was granted and assigned to Weyerhaeuser on June, 2007 by the United States Patent and Trademark Office.
A method of attaching an end seal to a manufactured seed is provided. The method includes providing a manufactured seed having an open end and inflating a sealing material to form an enclosure having an interior surface. The method also includes placing the enclosure into contact with the open end of the manufactured seed and attaching the enclosure to the manufactured seed to seal the open end of the manufactured seed.