US Patent No: 6,666,564

Number of patents in Portfolio can not be more than 2000

LED pen clip

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Importance

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Abstract

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A light emitting diode (LED) pen clip is mainly assembled by an upper pen stem, a lower pen stem and a joint portion; an accommodation space inside the upper pen stem is disposed with a LED mechanism which includes a circuit board, a press key switch, a spring, one or more than one batteries and a plurality of LEDs; wherein the batteries transmit the electric power to the circuit board via the spring; the LEDs are respectively disposed on the circuit board. Pressing and switching the press key switch changes the colors of the LEDs. The present invention includes a pen clip connected to a lateral side of the pen stem. The pen clip has a plurality of holes disposed at the upper rim end for inserting the LEDs.

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Patent Owner(s)

  • Assignment data not available. Check USPTO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Su, Chih-Tsung Sindian City, Taipei County 231, TW 9 23

Cited Art Landscape

Patent Info (Count) # Cites Year
 
WANG, KUAN YUN (1)
6,238,119 Photo-pen with the function of displaying a phone calling and illumination in dark 13 2000
 
Other [Check patent profile for assignment information] (5)
4,799,132 Means for mounting a mini-flashlight on a writing instrument 13 1988
4,812,068 Writing device with alarm 10 1988
5,050,053 Flashlight of selectable colors 12 1990
5,405,207 Voice pen for generating audible messages 12 1993
6,027,223 Writing instrument pocket clip light 6 1999

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
PROSONIC TECHNOLOGY CORP. (2)
6,905,352 USB mobile disk-pen 9 2003
6,773,192 Light-emitting USB mobile disk-pen 47 2003
 
BEIFA GROUP CO., LTD. (1)
D545896 Pen with digital audio component 14 2005

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