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 |
| 6299695 | Method and apparatus for processing ceramic components A method and apparatus for processing or cleaning ceramic components that are contaminated with dust deposits are provided. Relative vibrations are generated between the ceramic components and the ambient atmosphere for dislodging dust deposits from the c... | 10/09/2001 |
| 6090355 | Method and device for cleaning flue gases from furnaces A method for scrubbing flue gases of furnaces includes subjecting the flue gases with addition of activated carbon particles to wet scrubbing in a wet scrubbing device. Activated carbon particles are mixed with particles of at least one compound selected ... | 07/18/2000 |
