USD251591SExpiredUtility
Windfoil
Individually held — no corporate assignee on recordPriority: Jul 18, 1977Filed: Jul 18, 1977Granted: Apr 17, 1979
Est. expiryJul 18, 1997(expired)· nominal 20-yr term from priority
Inventors:Ellis F. Hartzler
20
PatentIndex Score
2
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a windfoil, as shown.
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