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Orthodontic expansion screw
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Patent number 7,837,465
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Issue date Nov 23, 2010
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Bernhard Förster Gmbh
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Rolf Förster
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Orthodontic bracket
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Patent number 5,320,525
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Issue date Jun 14, 1994
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Bernard Forster GmbH
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Rolf Forster
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Profiles of composite fibrous materials
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Patent number 5,047,104
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Issue date Sep 10, 1991
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Bayer Aktiengesellschaft
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Lothar Preis
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Orthodontic appliance
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Patent number 4,600,382
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Issue date Jul 15, 1986
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Bernhard Forster GmbH
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Rolf Forster
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Orthodontic device
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Patent number 4,597,738
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Issue date Jul 1, 1986
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Bernhard Forster GmbH
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Gunter Sander
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Orthodontic device
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Patent number 4,545,760
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Issue date Oct 8, 1985
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Bernhard Forster GmbH
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Rolf Forster
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Orthodontic spreader
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Patent number 4,482,318
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Issue date Nov 13, 1984
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Bernhard Forster GmbH
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Rolf Forster
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Orthodontic appliance
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Patent number 4,202,100
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Issue date May 13, 1980
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Firma Bernhard Forster
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Rolf Forster
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Dental fixing element
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Patent number 4,198,753
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Issue date Apr 22, 1980
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Firma Bernhard Forster
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Rolf Forster
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Orthodontic bracket
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Patent number 4,196,517
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Issue date Apr 8, 1980
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Firma Bernhard Forster
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Rolf Forster
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Arch wire retainer
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Patent number 4,171,568
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Issue date Oct 23, 1979
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Firma Bernhard Forster
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Rolf Forster
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Dental fixing element
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Patent number 4,167,813
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Issue date Sep 18, 1979
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Forster; Bernhard
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Rolf Forster
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Orthodontic appliance
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Patent number 4,167,061
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Issue date Sep 11, 1979
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Forster; Bernhard
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Rolf Forster
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE