Engraving machine
The broken lines in the figures illustrate portions of the engraving machine that form no part of the claimed design. The dash dot dash lines in
Claims
The ornamental design for an engraving machine, as shown and described.
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Type: Grant
Filed: Jan 17, 2022
Date of Patent: Jan 24, 2023
Assignee: Shenzhen TwoTrees Technology Co., Ltd. (Shenzhen)
Inventor: Zijia Ouyang (Guangdong)
Primary Examiner: Calvin E Vansant
Assistant Examiner: Mark T. Philipps
Application Number: 29/823,349