Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 6668388 | Retractable and disposable urinal A retractable and disposable urinal which can be retracted, can be directed and can be joined with a plastic conveyer to the male or female organ and comprises: a plastic retractable tube formed by a plurality of convolutions, having at its bottom a close... | 12/30/2003 |
| 6519873 | Plastic bellows inserted into soles A plastic bellow system inserted into the sole of a shoe. The system having a first pair and a second pair of side-by-side plastic bellows in the forward portion and the rear portion of the shoe sole. The bellows placed in hollows formed in a midsole. The... | 02/18/2003 |
| 6463679 | Forced ventilation system inside soles This forced ventilation system is composed basically by a plastic box located in the rear part of the sole connected with a flow-conveyor through one or more tubes joined to one or more pneumatic valves. Its essential role is founded on the principle that its ... | 10/15/2002 |
