...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7130884 | Client system, message exchanging method, and recording medium A message exchanging method enables simple interactions between two users during message exchanges and enables one-to-one interactions to shift to interactions between three or more users. Upon receiving a message from a third person while two users are exchanging m... | 10/31/2006 |
| 7046277 | Image interpolating device, including interpolation and modification processors An image interpolating device comprises a color filter, in which R, G, and B color filter elements are disposed in a checkerboard arrangement, and an imaging device which generates R, G, and B-signals corresponding to the color filter elements. In an interpolation p... | 05/16/2006 |