| http://www.w3.org/ns/prov#value | - rippelzMethod of cushioning and ventilating a foot, and footwear including disposable slippers and insoles for practicing such methodUS4145822 *Nov 8, 1977Mar 27, 1979Mitchell Winalee GScuff-type slipperUS4356642 *Aug 27, 1980Nov 2, 1982Shephard HermanSupport deviceUS4864737 *Jul 14, 1988Sep 12, 1989Hugo MarrelloShock absorbing deviceUS5274846 *Jul 31, 1991Jan 4, 1994Hpi Health Protection, Inc.Cus
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