Patents Represented by Attorney Jane M. Binkowsky

Find this attorney in the Justia Lawyer Directory

  • Fingerprinting crystals
    Patent number: 4143544
    Abstract: A diamond or cubic boron nitride crystal containing growth discontinuities resulting from changes in the environment of the growing crystal and having at least one smooth outside surface which intersects the growth discontinuities is charged electrostatically, a fine powder is applied to the charged smooth surface and the applied powder produces a pattern on the charged surface which is a delineation of the intersected growth discontinuities.
    Type: Grant
    Filed: June 22, 1977
    Date of Patent: March 13, 1979
    Assignee: General Electric Company
    Inventors: Robert C. DeVries, Roy E. Tuft