Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Business
Class Information
Number: 434/174
Name: Education and demonstration > Language > Spelling, phonics, word recognition, or sentence formation > Letter-bearing elements (e.g., cards, blocks, etc.) selectively aligned to form word or sentence > Rotatably mounted letter bearing element
Description: Subject matter wherein a letter-bearing component is arranged to turn about an axis passing therethrough.










Patents under this class:

Patent Number Title Of Patent Date Issued
8459999 Phonics education apparatus and method Jun. 11, 2013
8408916 Short-vowel intrinsic-sound learning system Apr. 2, 2013
6881066 Phrase-composing device featuring interlocking collars and gaps exposing content areas on a common shaft Apr. 19, 2005
6869286 Language learning system Mar. 22, 2005
6648647 Toy having rotating element Nov. 18, 2003
6648331 Interactive question and answer word deduction game Nov. 18, 2003
6638072 Phrase-composing device featuring interlocking collars Oct. 28, 2003
6358059 Method and apparatus for teaching rapid decoding (reading) and encoding (spelling) Mar. 19, 2002
6315675 Score counter for billiards game Nov. 13, 2001
6095818 Wheel puzzle game book Aug. 1, 2000
5993218 Multi-sided word kit Nov. 30, 1999
5653595 Instructional aid for teaching time telling Aug. 5, 1997
5316309 Memory matching game with mechanically activated rotating disk May. 31, 1994
4902230 Rotational educational apparatus Feb. 20, 1990
4865324 Magnetic wheel puzzle Sep. 12, 1989
4708345 Manipulative amusement device Nov. 24, 1987
4651992 Puzzle-type game Mar. 24, 1987
4643680 Vowel sound teaching device Feb. 17, 1987
D284775 Spelling game educational unit Jul. 22, 1986
4545768 Activity center Oct. 8, 1985
4534736 Educational toy Aug. 13, 1985
4389193 Educational device Jun. 21, 1983
4340373 Spelling machine Jul. 20, 1982
4313727 Educational frame device having a rotatable body and rotatable symbol-bearing inserts Feb. 2, 1982
4295832 Educational toy Oct. 20, 1981
4201389 Word game May. 6, 1980
4146978 Amusement device for spelling education Apr. 3, 1979
4026043 Rollers with plural detents May. 31, 1977











 
 
  Recently Added Patents
Lens module and method for manufacturing thereof
Charged particle source with multiple selectable particle emitters
Battery pack with interchangeable circuit substrates
Beverage container lid
Scanning of a touch screen
Managing job execution
Devices, systems, and methods for tactile feedback and input
  Randomly Featured Patents
Presenting information related to topics extracted from event classes
Selectively herbicidal 4,6-dibromo-5-hydroxy-2-pyridine carboxamide, salts and esters thereof and methods of preparation and use
Control unit, plug-in unit, transformer, zero-phase current transformer, and frequency measuring circuit applied to control center
Apparatus for removing fluids from a well
Mid-sole of a shoe
Electronic device and computer program
Tunable low noise amplifier
Process for oxidizing metal sulfides to elemental sulfur using activated carbon
Cartridge-loading tape recorder
Rotating electric machine having rotor embedded-permanent-magnets with inner-end magnetic gaps and outer-end magnetic gaps, and electric car using the same electric machine