A laser pointer is disclosed consisted of a laser module, a housing, a toggle switch, a push button ballpoint pen, a battery set, and a rotary cap, wherein the housing has chambers to hold the laser module, the battery set and the push button ballpoint pen, and a clip for hanging; the toggle switch has...http://www.google.se/patents/US5307253?utm_source=gb-gplus-sharePatent US5307253 - Structure of laser pointer
