A display apparatus is removably attachable to a fluid pump filler gun. The display apparatus comprises a protective body shaped to generally conform to enclose side, bottom, and upper portions of the gun head of the filler gun. The protective body has an upper surface. A holder is pivotally connected...http://www.google.com.hk/patents/US6202332?utm_source=gb-gplus-share專利 US6202332 - Display apparatus having a pivotal message card holder
