Resources Contact Us Home
Browse by Category: Main > Business
Class Information
Number: 434/181
Name: Education and demonstration > Language > Spelling, phonics, word recognition, or sentence formation > Reading > Speed > Apertured mask moved past reading matter carrier
Description: Subject matter wherein a member having a viewing opening therein passes between reading matter and a viewer, the latter attempting to read the matter during the time it is exposed through the viewing opening.

Patents under this class:

Patent Number Title Of Patent Date Issued
8480400 Device for teaching reading skills Jul. 9, 2013
8360779 Method and apparatus for a reading focus card Jan. 29, 2013
8070492 Reading tool with display window for teaching eye tracking Dec. 6, 2011
7056122 Word isolating educational tool Jun. 6, 2006
6832915 Educational reading aid Dec. 21, 2004
6726487 Device for supporting reading of a text from a display member Apr. 27, 2004
6471517 Reading teaching aid Oct. 29, 2002
5201659 Motorized gymnastic training apparatus Apr. 13, 1993
5145376 Teaching aid for foreign language Sep. 8, 1992
4880385 Fully automatic speed-reading trainer Nov. 14, 1989
4295408 Music teaching apparatus and method Oct. 20, 1981
4016659 Focal scanning aid Apr. 12, 1977
3982332 Speed reading aid and method Sep. 28, 1976
3968576 Method and apparatus of aural/visual correspondence for the improvement of reading Jul. 13, 1976

  Recently Added Patents
Communication device and method for detecting a radio signal
Digital broadcasting system and method of processing data in digital broadcasting system
Login security with short messaging
Method and system for updating device management application meter read logic
Cascode circuit device with improved reverse recovery characteristic
System for determining movement properties of a guided vehicle
Passive translational velocity measurement from optical information
  Randomly Featured Patents
Device transfer mechanism for IC test handler
Brittle material substrate scribing device and scribing method, and automatic analysis line
Water hardenable compositions for splints and braces
Endotracheal tube/stethoscope/thermistor combination
Traffic bearing expansion joint cover and method of preparing same
Descaling abrading apparatus with abrading rolls
Method and apparatus for discovering hardware in a data processing system
3,4-dihalogenoisothiazole derivative, and agricultural or horticultural plant disease-controlling agent
Piezoelectric electroacoustic transducer
Combustion detecting device using metallo-phthalocynine semiconductor and process of preparing same