USD310433SExpiredUtility
Floatation knee pad
Individually held — no corporate assignee on recordPriority: Sep 2, 1988Filed: Sep 2, 1988Granted: Sep 4, 1990
Est. expirySep 2, 2008(expired)· nominal 20-yr term from priority
Inventors:Michael L. Zierke
60
PatentIndex Score
16
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a floatation knee pad, as shown and described.
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