Electrical dental calculus remover
Description
Claims
The ornamental design for an electrical dental calculus remover, as shown and described.
Referenced Cited
Patent History
Patent number: D884893
Type: Grant
Filed: Sep 17, 2018
Date of Patent: May 19, 2020
Inventor: Zongjie Ma (Shenzhen)
Primary Examiner: Wan Laymon
Assistant Examiner: Clint A Samuel
Application Number: 29/663,630
Type: Grant
Filed: Sep 17, 2018
Date of Patent: May 19, 2020
Inventor: Zongjie Ma (Shenzhen)
Primary Examiner: Wan Laymon
Assistant Examiner: Clint A Samuel
Application Number: 29/663,630
Classifications
Current U.S. Class:
Dental (33) (D24/152);
D4/108