USD919077SActiveUtility

Heat recovery device

33
Assignee: VENT GENIUS LLCPriority: Jul 8, 2019Filed: Jul 8, 2019Granted: May 11, 2021
Est. expiryJul 8, 2039(~12.9 yrs left)· nominal 20-yr term from priority
Inventors:Gary BenzJames Banks
33
PatentIndex Score
3
Cited by
38
References
1
Claims

Claims

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

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