Did You Know...
...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 |
| 7232251 | Night light with fiber optics A night light with fiber optics has a main object and a fiber optics arrangement to let visible wavelength light beams be seen by a viewer after passing through the fiber optics. The main object material can be selected from textile, metal, plastic, porcelain, ceram... | 06/19/2007 |
| 6979197 | Globe apparatus for showing rotation and revolution Disclosed is a globe apparatus for showing rotation and revolution at the same time. The globe apparatus includes: a base to which one end of at least one support rod is fixed and one end of a revolution axis is rotatably fixed; a support arm fixedly coupled with th... | 12/27/2005 |
| 4141156 | Globe lamp with circumnavigating aircraft A globe lamp with a simulated aircraft circumnavigating the globe in a stable equatorial orbit carrying flashing and non-flashing lights.... | 02/27/1979 |
