USD277229SExpiredUtility

Roof ridge ventilator

37
Individually held — no corporate assignee on recordPriority: Sep 13, 1982Filed: Sep 13, 1982Granted: Jan 15, 1985
Est. expirySep 13, 2002(expired)· nominal 20-yr term from priority
Inventors:Jerry WilliamsonKeith Muters
37
PatentIndex Score
2
Cited by
12
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a roof ridge ventilator, as shown and described.

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