USD510761SExpiredUtility

Heat recovery unit

22
Assignee: VENT AXIA LTDPriority: Mar 14, 2003Filed: Sep 12, 2003Granted: Oct 18, 2005
Est. expiryMar 14, 2023(expired)· nominal 20-yr term from priority
Inventors:Phillip John StankusGrant Timothy Lewis Smetham
22
PatentIndex Score
0
Cited by
7
References
1
Claims

Claims

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

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