USD344893SExpiredUtility

Ultra-sonic welding horn

37
Assignee: AMERICAN FLANGE & MFGPriority: Sep 28, 1992Filed: Sep 28, 1992Granted: Mar 8, 1994
Est. expirySep 28, 2012(expired)· nominal 20-yr term from priority
Inventors:Davis B. Dwinell
37
PatentIndex Score
2
Cited by
2
References
1
Claims

Claims

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

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