Radio frequency and microwave transmissive composite materials in the form of films, sheets, laminates, and layups composed primarily of polytetrafluoroethylene (PTFE) combined with fiberglass, aramid, quartz fabrics and yarns for use in the manufacturing of radomes; Radio frequency and microwave transmissive fabrics made primarily of fiberglass and also including aramid and quartz for protection of radar systems and satellite communications system integrators; Transmissive fabrics made prima...