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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| Application No. | Application Title | Issue Date |
| 20100148709 | CONTROL MODULE ADAPTED TO BRUSH AND BRUSHLESS MOTORS A control module adapted to brush and brushless motors essentially applies a magnetic sensor to generate detecting signals in response to the status of the motor and deliver those signals to a control unit. The control unit further converts the signals into discrete div... | 06/17/2010 |
