Gemstone
- ECNA LLC
Latest ECNA LLC Patents:
Description
Claims
The ornamental design for a gemstone, as shown and described.
Referenced Cited
Patent History
Patent number: D813715
Type: Grant
Filed: Oct 5, 2016
Date of Patent: Mar 27, 2018
Assignee: ECNA LLC (Great Neck, NY)
Inventor: Christopher Slowinski (Lake Success, NY)
Primary Examiner: Ralf T Seifert
Application Number: 29/579,991
Type: Grant
Filed: Oct 5, 2016
Date of Patent: Mar 27, 2018
Assignee: ECNA LLC (Great Neck, NY)
Inventor: Christopher Slowinski (Lake Success, NY)
Primary Examiner: Ralf T Seifert
Application Number: 29/579,991
Classifications
Current U.S. Class:
Faceted (D11/90)