Dop for gemstone handling during manufacture

Details Dop for gemstone handling during manufacture Dop for gemstone handling during manufacture

1989-06-16

1990-07-31

Rose, Robert

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51229, B24B 4900

Patent

active

049441205

ABSTRACT:
A dop for handling a gemstone comprising an elongate shaft having shank and gripper portions located at respective ends thereof, a shaped portion about the shaft defining a plurality of externally sensible features for providing information uniquely identifying the dop and establishing its spatial orientation and that of the gemstone.

REFERENCES:
patent: 1618715 (1927-02-01), Lammers et al.

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