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D & D Corporation Patents |
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Assignee: D & D Corporation
Address: Tokyo, JP
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 6500002 |
Oral cavity spreading apparatus |
December 31, 2002 |
| An oral cavity spreading apparatus. The apparatus includes a pair of mouth corner hooks capable of being inserted into the oral cavity to spread the corners of the mouth, wing portions protruding individually outward from the mouth corner hooks and capable of spreading the inner part of |
| 6126444 |
Plaque remover injected with water or with water and compressed air |
October 3, 2000 |
| The invention relates to the improvement of plaque remover consisting of an abradant for removing dental plaque, dirt adhered to teeth, dirt adhered to filler, dirt adhered to prosthesis or dirt adhered to implant by injecting it with water or with water and compressed air. By using |
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