|
| US4109385 | 19. Aug. 1976 | 29. Aug. 1978 | Sterndent Corp. | Method of stippling, and stippling mandrel therefor |
| US4874001 | 2. Nov. 1987 | 17. Okt. 1989 | Konsepts Beauty Supply, Inc. | Manicurist's bit |
| US6106291 | 15. Dez. 1998 | 22. Aug. 2000 | Temple University of the Commonwealth System of Higher Education | Selective dentin caries excavator |
| US6254468 | 13. Juli 1999 | 3. Juli 2001 | Identoflex AG | Method for the manufacture of dental tools for the treatment of surfaces |
