Patents Available for License or Sale D 428,549 HIGH HEEL SHOE WITH ERGONOMIC TOE Contact: Carolyn J. Ruffin 7277 Abraham Ct. Newport News, VA 23605 (voice) : (757) 838-5936 5,305,841 DOWN THE HOLE HAMMER CONFIGURATION Contact: Alan E. Kopecki P.O. Box 1404 Alexandria, VA 22313-1404 (voice) : (703) 836-6620 (fax); (703) 836-2021 5,466,205 TRACTION DEVICE WITH A SELF CLAMPING RETAINER Contact: John J. Murphey P.O. Box 2563 Ramona, CA 92065 (voice) : (760) 788-8182 (fax); (760) 788-6396 5,947,121 TRACHEOTOMY TUBE WATER BLOCKING SYSTEM Contact: Gary Frese 4524 Curry Ford Rd. PMB 283 Orlando, FL 32812 (voice) : (407) 895-4765 (fax); (407) 895-4765 6,124,461 COMPOUNDS, COMPOSITIONS AND METHODS FOR TREATING ERECTILE DYSFUNCTION Contact: Robert Schaffer 805 Third Ave. New York, NY 10022 (voice) : (212) 527-770 (fax); (212) 753-6237