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Binocular ophthalmoscope
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Patent number 5,333,018
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Issue date Jul 26, 1994
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Heine Optotechnik GmbH
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Helmut A. Heine
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Magnifier
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Patent number 5,196,964
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Issue date Mar 23, 1993
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Heine Optotechnik GmbH & Co. KG
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Helmut A. Heine
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Ophthalmoscope
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Patent number 4,963,014
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Issue date Oct 16, 1990
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Propper Manufacturing Co., Ltd.
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Helmut A. Heine
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Binocular indirect ophthalmoscope
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Patent number 4,684,227
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Issue date Aug 4, 1987
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Propper Manufacturing Co., Inc.
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Otto H. Schmidt
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Manual ophthalmoscope
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Patent number 4,538,889
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Issue date Sep 3, 1985
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Heine Optotechnik GmbH & Co.
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Helmut A. Heine
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Laryngoscope
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Patent number 4,273,112
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Issue date Jun 16, 1981
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Propper Manufacturing Co., Inc.
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Helmut A. Heine
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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