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Drill with unique shaped coolant holes

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Assignee: MITSUBISHI MATERIALS CORPPriority: Nov 28, 2008Filed: May 11, 2009Granted: Oct 13, 2009
Est. expiryNov 28, 2028(~2.4 yrs left)· nominal 20-yr term from priority
Inventors:Kazuya YanagidaHiroyuki HigashiNobuyuki Matsuda
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PatentIndex Score
8
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6
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1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a drill with unique shaped coolant holes, as shown and described.

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