Patents Assigned to HAMARD VITAU
  • Piece of jewellery, method for cutting a stone, in particular a diamond, and associated mounting pin
    Patent number: 11357296
    Abstract: A round stone is intended for being inserted contiguously with other similar stones to as to conceal the setting of the stones. Facets are bevel-formed between the girdle and the pavilion. Grooves, open at the two ends thereof, are formed, as by sawing in a plane perpendicular to the axis, in the facets to receive the setting claws.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: June 14, 2022
    Assignee: HAMARD VITAU
    Inventor: Philippe Vitau