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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 |
| D654543 | Radio remote control unit | 02/21/2012 |
| D650021 | Radio remote control unit | 12/06/2011 |
| D650020 | Radio remote control unit | 12/06/2011 |
| 8049683 | Driving circuit for a display panel and a display having same There is provided a driving circuit capable of driving current flowing in cathode electrodes with high accuracy and displaying without brightness variation. For driving a cathode electrode in a display panel, a first current mirror circuit is fabricated by connectin... | 11/01/2011 |
| 8035290 | Fluorescent display device and conductive paste for the fluorescent display device A fluorescent display device includes an aluminum wiring layer formed on an insulating substrate; an insulating layer formed on the aluminum wiring layer, the insulating layer being provided with a through-hole disposed on the aluminum wiring layer; a conductive lay... | 10/11/2011 |
| 7705552 | Robotic system A robotic system is provided that enables easy manipulation and various operations. A walking operation allocated to a manipulated switch operation section is performed. Meanwhile, the right ankle roll axis control motor, the left ankle roll axis control motor, righ... | 04/27/2010 |
| D605237 | Controller | 12/01/2009 |
| 7612507 | Motor controller A motor controller capable of appropriately change the drive control condition in response to variations generated in motor drive control. The receiving circuit wirelessly receives and demodulates the control signal to controllably drive the motor and then outputs t... | 11/03/2009 |
| 6989083 | Method for preparing carbon nano-fine particle, apparatus for preparing the same and mono-layer carbon nanotube A graphite cathode and a graphite anode are placed opposite each other through an insulating plate having a notch. A voltage is applied between both of the electrodes to generate arc discharge at the notch of the insulating plate. A given area of the graphite anode ... | 01/24/2006 |
| 7518301 | Electron tubes In an electron tube including vibration absorbers for linear members such as filaments, a vibration absorbing means that is made of a vibration absorber with a large vibration absorption effect, has a simple configuration, and is attachable easily to filaments is pr... | 04/14/2009 |
| 7250844 | Stick lever unit for radio controlled device and radio controlled device equipped with the same A stick lever unit for a radio-controlled device that is capable of easily changing the type of stick lever holding mechanism by a user is provided. The stick lever unit includes a fixing member to which a variable resistor is attached, a rotational member equipped ... | 07/31/2007 |
| D546905 | Radio remote control unit | 07/17/2007 |
| D525320 | Radio remote control unit | 07/18/2006 |
| D524382 | Radio remote control unit | 07/04/2006 |
| D521573 | Radio remote control unit | 05/23/2006 |
| D517129 | Radio remote control unit | 03/14/2006 |
