, 1994Hand Herbert HElectrical support structure and method and apparatus for preventing crawling insects or other crawling pests from entering electrical devices mounted on support structures above groundUS5303523 *Mar 23, 1992Apr 19, 1994Hand Herbert HPest preventer for location on a structural foundation support or a structure supporting a food sourceUS5353556 *Aug 21, 1990Oct 11, 1994Hand Herb