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Boring machine with casing driver

61
Assignee: YAMAMOTO FOUND WORKS CO LTDPriority: Jan 27, 2022Filed: Jul 22, 2022Granted: Apr 11, 2023
Est. expiryJan 27, 2042(~15.5 yrs left)· nominal 20-yr term from priority
Inventors:Takekazu Yamamoto
E21B 44/00
61
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Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a boring machine with casing driver, as shown and described.

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