USD316700SExpiredUtility
Propeller blades and hub
Individually held — no corporate assignee on recordPriority: May 19, 1989Filed: May 19, 1989Granted: May 7, 1991
Est. expiryMay 19, 2009(expired)· nominal 20-yr term from priority
Inventors:Douglas Morrison
76
PatentIndex Score
16
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a propeller blades and hub, as shown and described.
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