Patents by Inventor Daniel Boris F. De Belder

Daniel Boris F. De Belder has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20120291487
    Abstract: Gemstone of natural diamond, characterised in that the gemstone (1) has two parallel faces (2-3, 4-5) in which the geometric plane that coincides with the aforementioned faces defines the volume of the gemstone (1), and from which a number of facets start, and each facet is parallel to an opposite facet or parallel to a connecting edge (6) of two other facets.
    Type: Application
    Filed: January 24, 2012
    Publication date: November 22, 2012
    Applicant: DIAMOND TRADING, NAAMLOZE VENNOOTSCHAP
    Inventor: Daniel Boris F. De Belder