In 1929, Manuel Avillar of New York was issued an American design patent for a "Bottle Seal Remover". A parrot without a corkscrew tail is shown in the patent drawing.
Although Avillar's parrot were produced as a caplifter only, the version with a folding corkscrew tail is most frequently found.
material: cast iron, steel
Harry Negbaur was a tool and die maker for the Dollin Die Casting Company of Irvington, New Jersey, that cast the figures.