Resources Contact Us Home
Viewer for gemstones

Image Number 2 for United States Patent #6348964.

A viewer for gemstones allowing a person to view the light performance of a gemstone having a 360-degree light unit positioned above a base where the stone is placed. The light unit is attached to an adjustable mounting bracket which allows the bracket and light unit to move vertically through use of a control mechanism. The base allows for secure and consistent placement of the gemstone, and positioning of a light control structure, preferably made from a reflective material, over the stone. The position of the stone is under the center of the light unit and light control structure. The light control structure has an aperture to allow the light from the light unit to enter.

  Recently Added Patents
Business card assembly
Assisting apparatus, method, and program for checking crosstalk noise between hierarchized modules in a semiconductor circuit
Preserving privacy of digital communication information
Terminal device, system and computer readable medium
Cleaning device, and image forming apparatus, process cartridge, and intermediate transfer unit each including the cleaning device
Spread spectrum communication system and transmission power control method therefor
Plants and seeds of corn variety CV335662
  Randomly Featured Patents
Method of recovering power in a counterpressure-steam system
Reduction of nitrogen oxides emissions from vehicular diesel engines
Method of bioconversion of industrial or agricultural cellulose containing wastes
Lily named Star Fire
Single circuit multiple spray cone pressure atomizers
Stereoscopic viewer
Pet harness with restrictive access device collar designed to prohibit passage through fences
Computer generation of documents using layout elements and content elements
Metal cathode for electron tube
Process utilizing agar-agar in a high temperature, short time processing of high solids confectionery products