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 |
| 7870836 | Device for raising, transportation and releasing crustacea juveniles and use of the device The present invention relates to a device for raising, transporting and releasing on a sea bed (50) crustacea juveniles which are in a housing section (1), the housing section (1) being adapted for connection to an emigration device (60, 80, ... | 01/18/2011 |
| 7789043 | Renewably buoyant, self-protective floating habitat A floating habitat designed to be renewably buoyant, self-sustaining and optionally specialized for waterfowl nesting. The first embodiment comprises one or more flotation units, a source of compressed air, and a means for connecting the source of compressed air to ... | 09/07/2010 |
| 7290374 | Vibration control apparatus using water tank located at top floor of a tall building A vibration control apparatus using a water tank, which is installed at the uppermost floor of a tall building, the water tank being formed at the inner wall surface thereof with horizontal protrusions. In order to improve a vibration attenuation rate in a horizonta... | 11/06/2007 |
| 4736708 | Portable habitat and havesting apparatus for stone crabs, lobster and crayfish A portable habitat and harvesting apparatus for marine life such as stone crab, crayfish, lobster and the like deployable on the water bottom and comprising a length of flexible cord connectable at each end to a separate end weight. A plurality of hollow ... | 04/12/1988 |
| 4559902 | Apparatus and method for holding and cultivating aquatic crustaceans There is described a method and apparatus for holding and cultivating aquatic crustaceans and like shellfish. The apparatus comprises a well for holding water, a plurality of buoyant trays each sub-divided into a plurality of compartments sized to house a... | 12/24/1985 |
| 4489673 | Equipment for the raising of eels, crayfish and other bottom-living marine organisms A tank filled with water and appropriate to receive such aquatic organisms, comprises a support bottom (1) under the water surface, presenting on the fresh water side in circulation, shelter holes shaped as pipes (3), wherein the aquatic organisms lives a... | 12/25/1984 |
