Breath alcohol tester
Description
Claims
The ornamental design for a breath alcohol tester, as shown and described.
Referenced Cited
Patent History
Patent number: D918749
Type: Grant
Filed: May 20, 2019
Date of Patent: May 11, 2021
Assignee: Shenzhen Longstone Technology Co., Ltd. (Guangdong)
Inventor: Yangying Yu (Shenzhen)
Primary Examiner: Antoine Duval Davis
Application Number: 29/691,794
Type: Grant
Filed: May 20, 2019
Date of Patent: May 11, 2021
Assignee: Shenzhen Longstone Technology Co., Ltd. (Guangdong)
Inventor: Yangying Yu (Shenzhen)
Primary Examiner: Antoine Duval Davis
Application Number: 29/691,794
Classifications
Current U.S. Class:
Chemical (12) (D10/81)