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Voice prosthesis brush
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Patent number 6,484,345
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Issue date Nov 26, 2002
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Helix Medical, Inc.
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Edmund V. Seder
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Extended dwell voice prosthesis
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Patent number 5,632,775
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Issue date May 27, 1997
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Helix Medical, Inc.
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David R. Suding
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Extended dwell voice prosthesis
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Patent number 5,480,432
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Issue date Jan 2, 1996
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Helix Medical Corporation
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David R. Suding
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Hysterectomy drain appliance
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Patent number 5,116,327
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Issue date May 26, 1992
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Helix Medical, Inc.
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Edmund V. Seder
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Adjustable tracheostoma valve
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Patent number 5,059,208
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Issue date Oct 22, 1991
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Helix Medical, Inc.
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Frederick L. Coe
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Hysterectomy drain appliance
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Patent number 5,041,101
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Issue date Aug 20, 1991
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Helix Medical, Inc.
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Edmund V. Seder
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Lacrimal duct occluder
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Patent number 4,959,048
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Issue date Sep 25, 1990
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Helix Medical, Inc.
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Edmund V. Seder
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE