Resources Contact Us Home
Microinscribed gemstone

Image Number 13 for United States Patent #6684663.

A microinscribed gemstone is inscribed by a laser beam to graphitize a surface portion of the gemstone without damaging a bulk portion.

  Recently Added Patents
Methods and systems for dynamic spectrum arbitrage
Resin composition, prepreg, resin sheet, metal-clad laminate, printed wiring board, multilayer printed wiring board and semiconductor device
Process for producing dipeptides or dipeptide derivatives
Side portion of a circular saw blade
Digital signal processing apparatus, liquid crystal display apparatus, digital signal processing method and computer program
Host route convergence based on sequence values
Method and apparatus for belling plastic pipe
  Randomly Featured Patents
Method and apparatus for using film density measurements of a radiograph to monitor the reproducibility of X-ray exposure parameters of a mammography unit
Various color light refraction bulb
Hybrid solid state/mechanical switch with failure protection
Motor-driven vehicle
Class AB digital to analog converter/line driver
Black-out curtain
Method for operating an internal combustion engine
Floor lamp having low light replaceable bulb
Overheat protection apparatus
Imaging system having external drum and method for producing drum