USD319502SExpiredUtility
Surgical retractor frame
Individually held — no corporate assignee on recordPriority: Feb 8, 1988Filed: Feb 8, 1988Granted: Aug 27, 1991
Est. expiryFeb 8, 2008(expired)· nominal 20-yr term from priority
Inventors:Gary K. Michelson
75
PatentIndex Score
14
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a surgical retractor frame, as shown.
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