A miniature flashlight consists of a housing, a light emitting diode (LED), a pair of batteries, and a flexible cover and a contact clip that acts as a switch. The LED has a head portion and two contact arms. One of the contact arms is shorter than the other and is displaced at a slight angle relative...http://www.google.ca/patents/US7018064?utm_source=gb-gplus-sharePatent US7018064 - Miniature flashlight
