ADDENDUM TO PATENT ASSIGNMENT AND ROYALTY AGREEMENT THIS ADDENDUM TO PATENT ASSIGNMENT AND ROYALTY AGREEMENT, hereinafter "Addendum", consisting of three (3) pages is made and entered into as of the 1st day of December, 1999 by and between Solplax...Patent Assignment and Royalty Agreement • December 8th, 1999 • Millenium Plastics Corp • Non-operating establishments • Nevada
