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Modular wheelchair
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Patent number 5,421,598
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Issue date Jun 6, 1995
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Everest & Jennings International, Ltd.
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A. Scott Robertson
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Wheelchair frame
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Patent number 5,409,247
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Issue date Apr 25, 1995
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A. Scott Robertson
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Modular wheelchair frame
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Patent number D344702
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Issue date Mar 1, 1994
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Medical Composite Technology, Inc.
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A. Scott Robertson
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D12 - Transportation
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Wheelchair and wheelchair frame
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Patent number 5,267,745
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Issue date Dec 7, 1993
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Medical Composite Technology, Inc.
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A. Scott Robertson
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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-
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Seating unit for a wheelchair
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Patent number D335839
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Issue date May 25, 1993
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Medical Composite Technology, Inc.
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A. Scott Robertson
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D12 - Transportation
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Modular wheelchair
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Patent number 5,176,393
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Issue date Jan 5, 1993
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Medical Composite Technology
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A. Scott Robertson
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Wheelchair
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Patent number D331210
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Issue date Nov 24, 1992
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Medical Composite Technology
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A. Scott Robertson
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D12 - Transportation
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Modular wheelchair
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Patent number 5,143,391
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Issue date Sep 1, 1992
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Medical Composite Technology
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A. Scott Robertson
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Seating system for a wheel chair
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Patent number 5,076,602
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Issue date Dec 31, 1991
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Medical Composite Technology
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A. Scott Robertson
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE