USD644327SActiveUtility
Trephine drill
Individually held — no corporate assignee on recordPriority: Sep 2, 2010Filed: Sep 2, 2010Granted: Aug 30, 2011
Est. expirySep 2, 2030(~4.1 yrs left)· nominal 20-yr term from priority
Inventors:Pankaj Singh
83
PatentIndex Score
38
Cited by
24
References
1
Claims
Claims
exact text as granted — not AI-modifiedWhat is claimed is the ornamental design for a trephine drill, as shown and described.
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