Laser engraving machine
Description
The broken lines in the drawings show unclaimed portions of the laser engraving machine only and form no part of the claimed design.
Claims
The ornamental design for a laser engraving machine, as shown and described.
Referenced Cited
U.S. Patent Documents
Patent History
Patent number: D798349
Type: Grant
Filed: Jun 8, 2016
Date of Patent: Sep 26, 2017
Inventor: Shaojie Li (Shenzhen)
Primary Examiner: Ian Simmons
Assistant Examiner: Khawaja Anwar
Application Number: 29/567,333
Type: Grant
Filed: Jun 8, 2016
Date of Patent: Sep 26, 2017
Inventor: Shaojie Li (Shenzhen)
Primary Examiner: Ian Simmons
Assistant Examiner: Khawaja Anwar
Application Number: 29/567,333
Classifications
Current U.S. Class:
Material Working, Abrading, Or Founding Machinery (D15/122)