USD447673SExpiredUtility
Hole boring apparatus
Priority: Mar 27, 2000Filed: Sep 27, 2000Granted: Sep 11, 2001
Est. expiryMar 27, 2020(expired)· nominal 20-yr term from priority
Inventors:John Vandenham
27
PatentIndex Score
6
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for hole boring apparatus, as shown and described.
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