PATENTS

Tidman, D. A. (1997). Method of and Apparatus for Moving a Mass. U.S. Patent No. 5,699,779, filed August 25, 1995, and issued December 23, 1997.

Tidman, D. A. (1999). Method of and Apparatus for Moving a Mass. U.S. Patent No. 5,950,608, filed December 22, 1997, and issued September 14, 1999.

Tidman, D. A. (2000). Method and Apparatus for Moving a Mass in a Spiral Track. U.S. Patent No. 6,014,964, filed October 29, 1998, and issued January 18, 2000.

Tidman, D. A. (2004). Spiral Mass Launcher. Patent No.: US 6,712,055 B1, filed March 6,2002, and issued Mar.30, 2004.

Tidman, D. A., Kregel, M. L. (2006). Spiral Mass Launcher. U.S. Patent No. 7,032,584 B2, filed May 5, 2004, and issued April 25, 2006.

Tidman, D. A. (2011). High Velocity Mass Accelerator and Method of Use Thereof. U.S. Patent No., 7,950,379 B2, filed July 16,2008, and issued May 31, 2011