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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Optical & Optics
Class Information
Number: 362/579
Name: Illumination > Light fiber, rod, or pipe > With portable hand-held implement (e.g., cane, baton, umbrella, club) > Writing utensil (e.g., pen, pencil)
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
8628228 Light assembly and method of use Jan. 14, 2014
8292485 Light pen Oct. 23, 2012
8066397 Light pen Nov. 29, 2011
7871175 Apparatus and method of drawing with light Jan. 18, 2011
7628503 Illuminated key casing assembly Dec. 8, 2009
7575334 Chalk holding device with light Aug. 18, 2009
7150555 Lighting pen Dec. 19, 2006
7093950 Illumination pen Aug. 22, 2006
6943670 Writing instrument with display module Sep. 13, 2005
6926421 Light emitting pen actuated by pivotally rotating a clip Aug. 9, 2005
6860616 Ultraviolet light writing system Mar. 1, 2005
6682212 Light-emitting pen with a light-emitting body at a middle section of a pen tube Jan. 27, 2004
6457847 Lighting system employing glass block lens Oct. 1, 2002
6439734 Pen light Aug. 27, 2002
6431720 Laser pen with safety power cutoff device Aug. 13, 2002
6254263 Protected lamp mounting assembly for an off road work vehicle Jul. 3, 2001
4964024 Light emitting writing apparatus Oct. 16, 1990
4176273 Light and heat writing pen for photosensitive material Nov. 27, 1979











 
 
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