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
Antibody recognizing turn structure in amyloid .beta.
Vacuum cleaner filter adapter ring
Tap and linking module TDO register, gating for TCK and TMS
Connector with shielding device and method for manufacturing connector
Micromechanical component, device for beam deflection of monochromatic light, and spectrometer
Terminal for flat test probe
Online data conversion technique using a sliding window
  Randomly Featured Patents
Security device provisioning
Bottle
Nocardia foaming controlling method of waste water treatment
Address translation in a communication system
Chrysanthemum plant named `Vamp Time Salmon`
Toothbrush with curved bristles and handle
Avoiding exposed node problems in wireless local area networks
Analysis of successive data sets
Method and apparatus for obtaining a water sample from the core of a boiling water reactor
Digital/analog converter circuit, level shift circuit, shift register utilizing level shift circuit, sampling latch circuit, latch circuit and liquid crystal display device incorporating the s