USD249061SExpiredUtility

Drainable blade louver head

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Assignee: DOWCO CORPPriority: Sep 13, 1976Filed: Sep 13, 1976Granted: Aug 22, 1978
Est. expirySep 13, 1996(expired)· nominal 20-yr term from priority
Inventors:Joshua R. Dowdell, Jr.Paul H. Sanderson
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PatentIndex Score
1
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a drainable blade louver head, as shown and described.

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