Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Business
Class Information
Number: 434/117
Name: Education and demonstration > Communication aids for the handicapped > Writing guide for the blind
Description: Subject matter relating to devices having guide means for a writing instrument, whereby handwriting by a blind person is facilitated.










Patents under this class:

Patent Number Title Of Patent Date Issued
8382480 Apparatus and method for presenting and controllably scrolling Braille text Feb. 26, 2013
8366447 Reading alerts and skim-reading system Feb. 5, 2013
8370170 System for controlling a physical task Feb. 5, 2013
8342846 Braille writing device capable of processing information Jan. 1, 2013
8344861 Haptic motion feedback mechanism Jan. 1, 2013
8303309 Integrated interoperable tools system and method for test delivery Nov. 6, 2012
7118135 Embossed paper Oct. 10, 2006
6655586 Systems and methods that detect a page identification using embedded identification tags Dec. 2, 2003
6544038 Systems and methods for printing characters using a template Apr. 8, 2003
6255938 Device for the input and read-out of data Jul. 3, 2001
6227572 Durable tactile indicia for banknotes/documents and method of making same May. 8, 2001
5616032 Multipurpose check writing guide Apr. 1, 1997
5522728 Braille slot machine Jun. 4, 1996
5337484 Scriptwriting guidance device Aug. 16, 1994
5226817 Braille cell Jul. 13, 1993
5217378 Painting kit for the visually impaired Jun. 8, 1993
5152690 Trilingual educational block Oct. 6, 1992
4425095 Tactile writing aid Jan. 10, 1984
4223447 Writing guide for clipboard or the like Sep. 23, 1980
4003143 Check writing guide Jan. 18, 1977
3959894 Perceptual cells writing guide Jun. 1, 1976
3949492 Writing guide Apr. 13, 1976











 
 
  Recently Added Patents
Baseball themed hand clap maraca
Aluminum oxide coated cutting tool and method of manufacturing thereof
MEMS autofocus actuator
Image output method and device, and image display
Toy ball
Image forming apparatus forming images in response to image formation request from operation unit or external device
Secure mobile ad hoc network
  Randomly Featured Patents
Constriction device including tear resistant structures
Multi-mode signal
Hydraulic impact hammer
Rotary valve and system for duration and phase control
Neuron-restrictive silencer factor proteins
High solids content sample torches and method of use
Error compensation by a ramp waveform having a high signal-to-noise ratio
Ceiling hanger
Arrangement with an electric motor
Spray gun with disposable liquid handling portion