USD391276SExpiredUtility

Auger boring head plug

40
Assignee: ROTH RUDOLFPriority: Oct 31, 1995Filed: Oct 31, 1995Granted: Feb 24, 1998
Est. expiryOct 31, 2015(expired)· nominal 20-yr term from priority
Inventors:Rudolf Roth
40
PatentIndex Score
4
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an auger boring head plug, as shown and described.

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