USD552028SExpiredUtility

Energy converter purifier

Assignee: HUANG CHAO-KUANPriority: Nov 17, 2005Filed: Nov 17, 2005Granted: Oct 2, 2007
Est. expiryNov 17, 2025(expired)· nominal 20-yr term from priority
Inventors:Chao Huang
11
PatentIndex Score
1
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a energy converter purifier, as shown and described.

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