Drill with unique shaped coolant holes
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The broken lines depict the environment and form no part of the claimed design.
Claims
The ornamental design for a drill with unique shaped coolant holes, as shown and described.
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Type: Grant
Filed: May 11, 2009
Date of Patent: Oct 13, 2009
Assignee: Mitsubishi Materials Corporation (Tokyo)
Inventors: Kazuya Yanagida (Gifu), Hiroyuki Higashi (Gifu), Nobuyuki Matsuda (Gifu)
Primary Examiner: Sandra Snapp
Assistant Examiner: Patricia Palasik
Attorney: Darby & Darby P.C.
Application Number: 29/336,831