An apparatus for storing both coffee and nested stacks of cup-shaped coffee filters, and then automatically filling individual filters with selected amounts of coffee. Through a series of gears, an electric motor rotates an elastic projection against the topmost filter in the stack, dragging it ...http://www.google.es/patents/US5799713?utm_source=gb-gplus-sharePatente US5799713 - Apparatus for storing separating and filling coffee filters
Apparatus for storing separating and filling coffee filters
