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Boring machine with casing driver

65
Assignee: YAMAMOTO FOUND WORKS CO LTDPriority: Mar 5, 2019Filed: Jun 24, 2021Granted: Apr 26, 2022
Est. expiryMar 5, 2039(~12.6 yrs left)· nominal 20-yr term from priority
Inventors:Takekazu Yamamoto
E21B 44/00
65
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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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