Drill bit
Latest Sumitomo Electric Hardmetal Corp. Patents:
Claims
The ornamental design for a drill bit, as shown and described.
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Type: Grant
Filed: Feb 7, 2019
Date of Patent: Sep 1, 2020
Assignee: Sumitomo Electric Hardmetal Corp. (Itami-shi)
Inventors: Shuhei Misumi (Itami), Minoru Yoshida (Itami), Yoshiji Sato (Itami)
Primary Examiner: Patricia A Palasik
Application Number: 29/679,538