USD321564SExpiredUtility

Ultrasonic cleaner

89
Assignee: COLTENE/WHALEDENT INCPriority: Jul 7, 1989Filed: Jul 7, 1989Granted: Nov 12, 1991
Est. expiryJul 7, 2009(expired)· nominal 20-yr term from priority
Inventors:Alan N. Miller
89
PatentIndex Score
31
Cited by
5
References
1
Claims

Claims

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

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