Patrick J Roberts, Kevin P Hogan, Thomas Kealy: Articles of footwear. Padmore & Barnes International, Young & Thompson, July 24, 1979: US04161827 (4 worldwide citation)

A new form of commercially produced moccasin-type shoe comprises an outer wedge sole of crepe rubber, an under vamp of soft leather extending under the whole area of the foot and turned up to form a continuous unseamed rim all around the shoe, and an upper vamp, quarters and a counter hand-stitched ...