Patents Available for License or Sale D433,242 TWO SEAT SWING Contact: Anne H. Langston 20 24th Ave. Isle of Palms, South Carolina 29451 (voice) : (843) 886-3383 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: Maxine McLane P.O. Box 2563 Ramona, CA 92065 (voice) : (760) 788-8182 (fax) : (760) 788-6396 6,129,490 REMOVABLE TIE-DOWN DEVICE Contact: James H. Erskine P.O. Box 415 Omak, WA 98841 (voice) : (509) 322-1641 (fax) : (509) 826-9237 6,145,464 DANFORTH TYPE ANCHOR Contact: Leonard Holtz 767 Third Ave. New York, NY 10017 (voice) : (212) 319-4900 (fax) : (212) 319-5101