USD285343SExpiredUtility

Boneplug drill bit

41
Assignee: DUARTE MARTINS ULLA ANETTEPriority: Jul 29, 1983Filed: Jul 29, 1983Granted: Aug 26, 1986
Est. expiryJul 29, 2003(expired)· nominal 20-yr term from priority
Inventors:Herminio Duarte-Martins, Jr.
41
PatentIndex Score
7
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a boneplug drill bit, as shown and described.

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