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 |
| 6080454 | Process for producing stained crystallized glass and its articles A process for producing stained crystallized glass and its articles is provided where crystallized glass is obtained with patterns and colors like that of granites, marble, and other natural stones. The process includes the heat-treatment of a prepared ba... | 06/27/2000 |
