A device for reading data encoded on a form has a removable scanning wand and a housing defining a slot for receiving the form. The wand functions as the input means of a slot reader when received in the housing, and is useful independently of the housing as a hand held scanning wand. The slot of the...http://www.google.com/patents/US5260552?utm_source=gb-gplus-sharePatent US5260552 - Slot reader with removable manual scanning wand
