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 |
| 20100064891 | Reactive gas control Aspects include a valve comprising a flowing liquid, operable to control a flow of gas through a port. Certain aspects include reaction chambers operable to react gases, and in some aspects gases are substantially contained within an envelope comprised of a flowing liqu... | 03/18/2010 |
| 20080303691 | Hybrid automotive fluid dispensing system A fluid dispensing control system comprising a plurality of hybrid fluid dispensing units and hybrid keypads are capable of both wired and wireless communication with a billing computer.... | 12/11/2008 |
| 20080112855 | VALVE UNIT, MICROFLUIDIC DEVICE WITH THE VALVE UNIT, AND MICROFLUIDIC SUBSTRATE Provided are a valve unit and a microfluidic device including the valve unit. The valve unit includes: a valve substance container containing a valve substance, the valve substance including a phase change material that is solid at ambient temperature and melts by absor... | 05/15/2008 |
