Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Business
Class Information
Number: 434/303
Name: Education and demonstration > Science > Physics > Optics
Description: Subject matter relating to light, its genesis or propagation, or the effect that it undergoes or produces when propagated through a substance or object (e.g., a lens or prism.










Patents under this class:

Patent Number Title Of Patent Date Issued
7963771 Experiment and education system employing a plurality of units Jun. 21, 2011
7957059 Device and method for demonstrating optical effects Jun. 7, 2011
7775799 Glare reduction demonstrator Aug. 17, 2010
6402521 Apparatus for demonstrating changes in motion with respect to time Jun. 11, 2002
6382982 Educational tool comprised of selectable optically-linked modules May. 7, 2002
6129553 Film image display system Oct. 10, 2000
5108293 Method and apparatus for displaying a beam of light Apr. 28, 1992
5080940 Latent image projecting mirror surface body Jan. 14, 1992
4898560 Mirror pattern forming amusement device Feb. 6, 1990
4540368 Educational visual apparatus Sep. 10, 1985
4133124 Display device Jan. 9, 1979
4033052 Optical teaching aid Jul. 5, 1977
3962802 Educational device Jun. 15, 1976
3932949 Method for demonstrating optical aberration formation Jan. 20, 1976











 
 
  Recently Added Patents
Orthogonal tunable antenna array for wireless communication devices
Method and apparatus for controlling a multi-node process
Image processing apparatus, image processing system, and image processing method
High power fiber amplifier with stable output
Methods and devices for coding and decoding images, computer program implementing them and information carrier enabling their implementation
Method of making an array of nucleic acid colonies
Encoding and/or decoding memory devices and methods thereof
  Randomly Featured Patents
Method of semiautomatic ambient light sensor calibration in an automatic control system
Microprocessor-based data processing apparatus that commences a next overlapping cycle when a ready signal is detected not to be active
Contactless data storage medium and method for operating contactless data storage medium
Flame-retarted transparent plastics
Method of regulating resonance frequency of surface-mountable antenna
Method and apparatus for encoding of bitstreams using rotation
Chrysanthemum plant named `Jasper`
Display device
Charging device for a shaft furnace
Organ arrest, protection and preservation