Patents Available for License or Sale 4,949,647 COLLAPSIBLE PLATFORM ASSEMBLY Contact: Norma Grant 6772 Castleton Dr. Clemmons, NC 27102 (voice) : (336) 766-1787 (fax) : (336) 766-1787 5,071,140 SELF-PRESSURIZED GASKET SEAL Contact: L. James Ristas Alix Yale & Ristas 750 Main St. Hartford, CT 06103 (voice) : (860) 527-9211 (fax) : (860) 527-5029 5,669,314 MOTORIZED COLLAPSIBLE PLATFORM ASSEMBLY Contact: Norma Grant 6772 Castleton Dr. Clemmons, NC 27102 (voice) : (336) 766-1787 (fax) : (336) 766-1787 5,691,722 DIRECT-DIGITIZING SELF STABILIZING ANALOG TO DIGITAL CONVERTER Contact: Wenwei Wang 8529 N Milwaukee Ave. #2E Niles, IL 60714 (voice) : (847) 663-8184 (fax) : (847) 663-8184