Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Business
Class Information
Number: 434/165
Name: Education and demonstration > Language > Writing or printing by hand > Writing sample included in teaching means
Description: Subject matter including an exhibit of a properly written or printed letter or word.










Patents under this class:

Patent Number Title Of Patent Date Issued
8297979 Electronic learning device with a graphic user interface for interactive writing Oct. 30, 2012
7147473 Hand-writing practicing system Dec. 12, 2006
6755656 Method and apparatus for adaptive handwriting teaching system Jun. 29, 2004
6612844 Educational aid and method Sep. 2, 2003
6579102 Apparatus and method for stimulating creativity, spontaneity, and inspiration Jun. 17, 2003
6302696 Bi-colored lined instructional writing paper Oct. 16, 2001
6215901 Pen based computer handwriting instruction Apr. 10, 2001
6142783 Handwriting template system Nov. 7, 2000
5604517 Electronic drawing device Feb. 18, 1997
5551878 Article for improving correspondence letter writing skills Sep. 3, 1996
5409381 Educational display device and method Apr. 25, 1995
4793810 Interactive instructional apparatus and method Dec. 27, 1988
4603884 Lotto ticket marking guide Aug. 5, 1986











 
 
  Recently Added Patents
Pre-distortion architecture for compensating non-linear effects
Method for remotely measuring fluctuations in the optical index of refraction of a medium
Resistor-2 resistor (R-2R) digital-to-analog converter with resistor network reversal
Epoxy composition for encapsulating an optical semiconductor element
Di and tri- substituted oxathiazine derivatives, method for the production, method for the production thereof, use thereof as medicine and drug containing said derivatives and use thereof
Image forming apparatus to automatically select a communication condition
Curved structural part made of composite material and a process for manufacturing such a part
  Randomly Featured Patents
Reliability model generator
EAP/SIM authentication for mobile IP to leverage GSM/SIM authentication infrastructure
Device and method for changing automatically the size of packs in a conveyor, in particular for an automatic packaging machine
Spur track accessory operation
Apparatus for decontaminating liquids of bacteria
Integrated circuit reset circuitry
Providing speech recognition data to a speech enabled device when providing a new entry that is selectable via a speech recognition interface of the device
Diaper dispenser
Massager
Fabric cutting device