USD263878SExpiredUtility

Root canal screw

85
Assignee: AB DENTATUSPriority: Jul 24, 1979Filed: Jul 24, 1979Granted: Apr 13, 1982
Est. expiryJul 24, 1999(expired)· nominal 20-yr term from priority
Inventors:Svante R. Edwardson
85
PatentIndex Score
19
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a root canal screw, as shown.

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