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Patient transport system
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Patent number 5,779,296
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Issue date Jul 14, 1998
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Vancouver Island Helicopters, Ltd.
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Barry J. Hewko
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Medical transport apparatus
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Patent number 5,535,964
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Issue date Jul 16, 1996
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Spectrum Aeromed, Inc.
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George E. Ahlsten
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patient transport system
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Patent number 5,490,703
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Issue date Feb 13, 1996
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Vancouver Island Helicopters Ltd.
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Barry J. Hewko
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Emergency rescue vehicle
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Patent number 5,178,432
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Issue date Jan 12, 1993
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Dennis Zeman
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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3204998
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Patent number 3,204,998
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Issue date Sep 7, 1965
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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2309735
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Patent number 2,309,735
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Issue date Jan 26, 1943
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B60 - VEHICLES IN GENERAL