USD330287SExpiredUtility
Rotary dental brush
Individually held — no corporate assignee on recordPriority: Feb 16, 1990Filed: Feb 16, 1990Granted: Oct 20, 1992
Est. expiryFeb 16, 2010(expired)· nominal 20-yr term from priority
Inventors:Thomas B. Wise
48
PatentIndex Score
7
Cited by
11
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a rotary dental brush, as shown and described.
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