Laser module of engraving machine
The broken lines seen in
The broken lines show portions of a laser module of engraving machine which form no part of the claimed design.
Claims
The ornamental design for a laser module of engraving machine, as shown and described.
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Type: Grant
Filed: Jan 4, 2022
Date of Patent: Jun 20, 2023
Inventor: Weixu Zeng (Xinhua)
Primary Examiner: Michael C Stout
Assistant Examiner: Fritzgerald L Butac
Application Number: 29/791,184