Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Business
Class Information
Number: 434/173
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 > Letter-bearing belt or reel-mounted strip
Description: Subject matter wherein a letter-bearing component consists of a strip formed into a loop or wound on a reel.










Patents under this class:

Patent Number Title Of Patent Date Issued
6358059 Method and apparatus for teaching rapid decoding (reading) and encoding (spelling) Mar. 19, 2002
6095818 Wheel puzzle game book Aug. 1, 2000
5487670 Dynamic language training system Jan. 30, 1996
4445864 Reading and spelling aid May. 1, 1984











 
 
  Recently Added Patents
System and method for performing image correction
Content protection apparatus and content encryption and decryption apparatus using white-box encryption table
Visually tracking an object in real world using 2D appearance and multicue depth estimations
Methods and system for providing drug pricing information from multiple pharmacy benefit managers (PBMs)
System and method for document orientation detection
Permanent magnet axial field zeeman slower
Device for increasing chip testing efficiency and method thereof
  Randomly Featured Patents
Rapid analyte measurement assay
Apparatus for increasing the effective yield of displays with integregated row select driver circuit
Method of checking unevenness of light-transmitting substance, apparatus therefor, and method of sorting transparent substrates
Bonded semiconductor structure and method of making the same
Pectate lyase signal sequence
Modeling nonlinear systems
Fusing device for an electrophotographic image forming apparatus
Convection steamer apparatus and method for processing food items or the like
Non-invasive electrical measurement of semiconductor wafers
System and method for testing of embedded processor