Dental screw driver
Latest DENTSPLY International Inc. Patents:
The broken lines immediately adjacent the claimed areas represent the bounds of the claim, and all other broken lines are included for the purpose of illustrating portions of the dental screw driver that form no part of the claimed design. None of the broken lines form part of the claimed design.
Claims
The ornamental design for a dental screw driver, as shown and described.
Type: Grant
Filed: Dec 4, 2012
Date of Patent: Nov 24, 2015
Assignee: DENTSPLY International Inc. (York, PA)
Inventors: Marcel Kiefer (Calmbach), Mattias Marklund (Göteborg)
Primary Examiner: Wan Laymon
Assistant Examiner: Mark Booker
Application Number: 29/438,795