Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Business
Class Information
Number: 434/212
Name: Education and demonstration > Mathematics > Geometry, trigonometry, or physical mathematic model structure > Pythagorean theorem
Description: Subject matter relating to the theorem stating that for a right-angled triangle the square of the hypotenuse is equal to the sum of the squares of the other sides.










Patents under this class:

Patent Number Title Of Patent Date Issued
5985632 Peptide amidase from xanthomonas Nov. 16, 1999
5584699 Computerized system for teaching geometry proofs Dec. 17, 1996
5281145 Pictorial image transforming manipulatives Jan. 25, 1994
5219289 Mathematical teaching aid Jun. 15, 1993
5084819 Data collection, analysis, and response system and method Jan. 28, 1992
4137652 Apparatus for verification of the Pythagorean theorem Feb. 6, 1979











 
 
  Recently Added Patents
System and method for monitoring network activity
Semiconductor thin film, thin film transistor, method for manufacturing same, and manufacturing equipment of semiconductor thin film
Polymer-encapsulated colorant nanoparticles
Vibration disturbance estimation and control
Depth estimation apparatus and method
(4940
Toner cartridge
  Randomly Featured Patents
Indexing clutch assembly for gear wrench
Heat insulated roof structure
Door edge with cover strip
Head-mounting device to mask ambient sounds for sleeping
Emission materials for discharge lamps and method for manufacturing electrode structures with such materials
Substituted 2-(2,6-dioxopiperidin-3-yl)-phthalimides and 1-oxoisoindolines
Method and apparatus for transmitting and receiving additional information in a television signal
Catalytic process for controlled oxidation of methane using microwaves for the synthesis of ethane and ethylene and catalysts used in this process
Method and apparatus for controlling an artificial respirator
High flow EGR system