...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 |
| 20080290736 | Power transmission device and electronic instrument A control IC for first and second transmission drivers that drive a primary coil includes an output terminal connected to the first transmission driver on a first side, an output terminal connected to the second transmission driver on a second side, and an input termina... | 11/27/2008 |
| 20080197714 | PULSE CIRCUIT In an embodiment of the invention there is provided a pulse circuit including two transmission lines or other capacitive energy storage circuits resonantly charged by inductors and diodes that are connected to a DC power source. The pulse circuit includes a pulse transf... | 08/21/2008 |
| 20070296278 | High-Voltage Pulse Generating Circuit Disclosed is a high-voltage pulse generating circuit comprising an inductor, a first semiconductor switch and a second semiconductor switch connected in series between both ends of a DC power supply unit. A diode unit is connected between a gate terminal of the first se... | 12/27/2007 |
| 20070126290 | Systems and methods for powering an electronic device from selectable power sources Systems and methods for powering and/or charging the battery of an electronic device from selectable power sources. A powering device is provided having multiple contacts or connections such that any electronic device can be powered by any power source through utilizati... | 06/07/2007 |
| 20060076837 | Rectifier circuit Disclosed is a rectifier circuit that realizes a low threshold voltage without using a process step to enable reduction in cost and in variation of devices. An NMOS transistor has a threshold voltage. In the transistor, a voltage to be rectified is inputted to a second ... | 04/13/2006 |