B65-764 DOUBLE CLAWED WRECKING HAMMER. Arrington Patent. These hammers, with two sets of opposed claws, are unmarked but generally identified as being based on John Arrington's 1903 patent, although in Arrington's patent one of the claws is wider. See Baird & Comerford, page 7. 5" wide, 12" original tight handle. From the collection of David Jeffers. Fine 150-300