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Dental handpiece
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Patent number 4,983,121
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Issue date Jan 8, 1991
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Siemens Aktiengesellschaft
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Reinhard Straihammer
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Dental handpiece
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Patent number D310715
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Issue date Sep 18, 1990
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Siemens Aktiengesellschaft
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Reinhard Straihammer
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D24 - Medical and laboratory equipment
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Dental handpiece
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Patent number D305935
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Issue date Feb 6, 1990
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Siemens Aktiengesellschaft
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Reinhard Straihammer
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D24 - Medical and laboratory equipment
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Dental handpiece
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Patent number 4,753,595
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Issue date Jun 28, 1988
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Siemens Aktiengesellschaft
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Werner Schuss
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Dental handpiece arrangement
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Patent number 4,681,540
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Issue date Jul 21, 1987
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Siemens Aktiengesellschaft
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Hermann Landgraf
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Dental spray hand piece
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Patent number 4,531,912
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Issue date Jul 30, 1985
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Siemens Aktiengesellschaft
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Werner Schuss
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Dental hand piece
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Patent number 4,498,868
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Issue date Feb 12, 1985
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Siemens Aktiengesellschaft
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Werner Schuss
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Dental handpiece
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Patent number 4,460,337
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Issue date Jul 17, 1984
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Siemens Aktiengesellschaft
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Hermann Landgraf
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Dental handpiece
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Patent number 4,354,839
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Issue date Oct 19, 1982
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Werner Schuss
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Dental handpiece
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Patent number 4,332,562
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Issue date Jun 1, 1982
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Siemens Aktiengesellschaft
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Werner Schuss
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Dental handpiece
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Patent number 4,321,039
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Issue date Mar 23, 1982
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Siemens Aktiengesellschaft
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Werner Schuss
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Dental handpiece
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Patent number 4,278,429
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Issue date Jul 14, 1981
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Siemens Aktiengesellschaft
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Reinhard Straihammer
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Dental handpiece
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Patent number 4,278,428
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Issue date Jul 14, 1981
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Siemens Aktiengesellschaft
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Reinhard Straihammer
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Dental handpiece
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Patent number 4,251,212
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Issue date Feb 17, 1981
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Siemens Aktiengesellschaft
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Rainer Worschischek
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE