USD476407SExpiredUtility

Damper for round duct

78
Assignee: SNYDER NATIONAL CORPORATIONPriority: May 22, 2002Filed: May 22, 2002Granted: Jun 24, 2003
Est. expiryMay 22, 2022(expired)· nominal 20-yr term from priority
Inventors:Darryl L. Snyder
78
PatentIndex Score
22
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a damper for round duct, as shown and described.

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