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Hole punch

22
Assignee: HE YANGYIPriority: May 25, 2011Filed: Dec 6, 2011Granted: May 1, 2012
Est. expiryMay 25, 2031(~4.9 yrs left)· nominal 20-yr term from priority
Inventors:Yangyi He
22
PatentIndex Score
2
Cited by
114
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for hole punch, as shown and described.

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