Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
September 20, 2011
Patent Application Number
10827446
Date Filed
April 20, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
A tooth-hardening apparatus 10 according to the present invention includes a tooth-hardening member 11 of a plate shape having a projection 13 on its surface, and a nipple 15 attached on the tooth-hardening member 11. The nipple has a predetermined hardness to provide a pacifier function and a tooth-hardening function. A space 21 is formed in the tooth-hardening member 11. The space 21 is covered with an upper transparent cover 18 and a lower transparent cover 19.
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