Exhibit 10.47 AFFIRMATION OF ASSIGNMENTS OF UNITED STATES AND FOREIGN PATENTS THIS AGREEMENT entered into as of the 19th day of October, 2001 by and between OTIS L. NELSON, JR., MARK L. NELSON, and A. RICHARD NELSON, collectively, the "Nelsons"), on...Affirmation of Assignments of Patents • February 13th, 2003 • Murdock Communications Corp • Telegraph & other message communications • Michigan
