Patent Reviews: 5,458,084; 5,459,745; 5,459,745; 5,459,745; 5,461,239; 5,473,470; 5,483,058; 5,483,062; 5,483,307; 5,485,499; 5,486,701; 5,488,226; 5,488,229; 5,488,474; 5,488,474; 5,488,679; 5,491,334; 5,491,344; 5,493,391; 5,493,624