USD533929SExpiredUtility

Heat exchange unit

21
Assignee: TIG CO LTDPriority: May 17, 2005Filed: May 17, 2005Granted: Dec 19, 2006
Est. expiryMay 17, 2025(expired)· nominal 20-yr term from priority
Inventors:Yasuaki NakagawaKatsuyuki InagakiRyuji Ozawa
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Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a heat exchange unit, as shown and described.

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