Laser demarcation instrument
Description
Claims
The ornamental design for a laser demarcation instrument, as shown.
Referenced Cited
Patent History
Patent number: D852070
Type: Grant
Filed: Jan 9, 2018
Date of Patent: Jun 25, 2019
Inventor: Jian Lu (Tianning)
Primary Examiner: Antoine Duval Davis
Application Number: 29/632,746
Type: Grant
Filed: Jan 9, 2018
Date of Patent: Jun 25, 2019
Inventor: Jian Lu (Tianning)
Primary Examiner: Antoine Duval Davis
Application Number: 29/632,746
Classifications