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
Hydrating lounge chair
Method and apparatus for band switching in wireless local access network
Method for combining images and magnetic resonance scanner
Semiconductor light-receiving device
Inter vehicle communication system
Processing biomass
Graphical user interface for interpreting the results of image analysis
  Randomly Featured Patents
Pharmaceutical use of pyridine-2,4- and -2,5-dicarboxylic acid amides
Janus family kinases and identification of immune modulators
Selective call radio apparatus with improved display function
Process for production of xylylenediamine and/or cyanobenzylamine
Closure piece for medical syringe
Divisional operation system for obtaining a quotient by repeated subtraction and shift operations
Golf club head
Corn popper
Sampling/quantization converters
Resistance welding of sheet metal coated with layers