USD819131SActiveUtility

3D printing pen

27
Assignee: WEI HONGHUIPriority: Oct 23, 2016Filed: Oct 23, 2016Granted: May 29, 2018
Est. expiryOct 23, 2036(~10.2 yrs left)· nominal 20-yr term from priority
Inventors:Honghui Wei
27
PatentIndex Score
1
Cited by
15
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a 3D printing pen, as shown and described.

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