USD317727SExpiredUtility

Acoustic horn

25
Assignee: PRECIPTECH INCPriority: Jul 20, 1989Filed: Jul 20, 1989Granted: Jun 25, 1991
Est. expiryJul 20, 2009(expired)· nominal 20-yr term from priority
Inventors:James J. Schwab
25
PatentIndex Score
0
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an acoustic horn, as shown.

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