USD306050SExpiredUtility
Butterfly exerciser
Individually held — no corporate assignee on recordPriority: May 11, 1987Filed: May 11, 1987Granted: Feb 13, 1990
Est. expiryMay 11, 2007(expired)· nominal 20-yr term from priority
Inventors:Jerry D. Brentham
75
PatentIndex Score
15
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a butterfly exerciser, as shown and described.
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