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...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 6060811 | Advanced layered composite polylaminate electroactive actuator and sensor The present invention relates to the mounting of pre-stressed electroactive material in such a manner that large displacement actuators or sensors result. The invention comprises mounting the pre-stressed electroactive material to a support layer. This co... | 05/09/2000 |
| 5949364 | Method and system for producing images of an object A method and system are provided to produce images of an object. A receiving station is positioned in view of a range-coded signal emitting satellite and the object. The receiving station is sensitive to direct transmission of the range-coded signal and r... | 09/07/1999 |
| 5394906 | Method and apparatus for weaving curved material preforms A method and apparatus for fabricating straight or curved planar or three-dimensional (C channel, for example) fabric for fabrication into composite structures. In the first embodiment, the fill yarns are inserted between layers of warp yarns, and a cante... | 03/07/1995 |
| 5392683 | Method and apparatus for three dimensional braiding A machine for three-dimensional braiding of fibers is provided in which carrier members travel on a curved, segmented and movable braiding surface. The carrier members are capable of independent, self-propelled motion along the braiding surface. Carrier m... | 02/28/1995 |
| 5390544 | Method and apparatus for non-destructive evaluation of composite materials with cloth surface impressions A method and related apparatus for non-destructive evaluation of composite materials by determination of the quantity known as Integrated Polar Backscatter, which avoids errors caused by surface texture left by cloth impressions by identifying frequency r... | 02/21/1995 |
| 5377100 | Method of encouraging attention by correlating video game difficulty with attention level A method of encouraging attention in persons such as those suffering from Attention Deficit Disorder is provided by correlating the level of difficulty of a video game with the level of attention in a subject. A video game comprises a video display which ... | 12/27/1994 |
| 5375221 | Stand-alone digital data storage control system including user control interface A storage control system includes an apparatus and method for user control of a storage interface to operate a storage medium to store data obtained by a real-time data acquisition system. Digital data received in serial format from the data acquisition s... | 12/20/1994 |
