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 |
| 7221113 | Touch-sensitive model train controls A model vehicle control apparatus. A button controls an aspect of the model vehicle system, or multiple aspects, such as both sound and control. The button is configured to provide more than two outputs depending upon the manner of activation by a user based on pres... | 05/22/2007 |
| 6935920 | Toy train accessory A toy train accessory for use with a toy train is provided and has at least one track section disposed across the accessory and connectable to a toy train track. A slot is formed in the track section, and an upwardly spring biased sensor is disposed in the slot. At ... | 08/30/2005 |
| 6059237 | Interactive toy train A toy train system has movable and removable trigger devices to be located by a user wherever selected on the toy train track. The train locomotive includes the ability to activate a sound and a light signal which can correspond to the sound. The train lo... | 05/09/2000 |
