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Dental amalgam alloy
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Patent number 4,859,240
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Issue date Aug 22, 1989
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Cheetham; Jeffery James
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Graham J. Parker
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Dental amalgam alloy
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Patent number 4,686,082
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Issue date Aug 11, 1987
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Cheetham; Jeffery J.
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Graham J. Parker
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Lathe cut dental alloy powder
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Patent number 4,080,199
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Issue date Mar 21, 1978
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Johnson & Johnson
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Pei Sung
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Dental amalgams
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Patent number 3,997,330
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Issue date Dec 14, 1976
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Engelhard Minerals & Chemicals Corporation
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Joseph Aliotta
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Dental amalgam
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Patent number 3,980,472
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Issue date Sep 14, 1976
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Special Metals Corporation
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Kamal Asgar
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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3871876
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Patent number 3,871,876
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Issue date Mar 18, 1975
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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1164997
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Patent number 1,164,997
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Issue date Dec 21, 1915
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B22 - CASTING POWDER METALLURGY
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103227
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Patent number 103,227
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Issue date May 17, 1870
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B60 - VEHICLES IN GENERAL
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30847
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Patent number 30,847
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Issue date Dec 4, 1860
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE