Drill head
Latest SUMITOMO ELECTRIC HARDMETAL CORP. Patents:
The broken line showing of the drill holder in
Claims
The ornamental design for a drill head, as shown and described.
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Type: Grant
Filed: Mar 8, 2017
Date of Patent: Jul 24, 2018
Assignee: SUMITOMO ELECTRIC HARDMETAL CORP. (Itami-shi)
Inventors: Yuma Kawakami (Itami), Yoshiji Sato (Mie-gun), Ryusei Hamada (Mie-gun)
Primary Examiner: Darlington Ly
Application Number: 29/596,415