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The ornamental design for a drill bit, as shown and described.
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Yoshida, Minoru, Sato, Yoshiji, Misumi, Shuhei
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Feb 07 2019 | SUMITOMO ELECTRIC HARDMETAL CORP. | (assignment on the face of the patent) | / | |||
| Mar 21 2019 | MISUMI, SHUHEI | SUMITOMO ELECTRIC HARDMETAL CORP | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 048888 | /0241 | |
| Mar 21 2019 | YOSHIDA, MINORU | SUMITOMO ELECTRIC HARDMETAL CORP | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 048888 | /0241 | |
| Mar 25 2019 | SATO, YOSHIJI | SUMITOMO ELECTRIC HARDMETAL CORP | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 048888 | /0241 |
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