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Patient position monitor
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Patent number 6,129,686
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Issue date Oct 10, 2000
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Mark B. Friedman
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Bus stop call system
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Patent number 5,963,151
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Issue date Oct 5, 1999
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Rayford C. Hubbard
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G08 - SIGNALLING
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Patient position monitor
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Patent number 5,941,836
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Issue date Aug 24, 1999
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Mark B. Friedman
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Touch sensitive switch pads
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Patent number 5,403,980
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Issue date Apr 4, 1995
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Iowa State University Research Foundation, Inc.
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Karl M. Eckrich
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H03 - BASIC ELECTRONIC CIRCUITRY
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Marine key switch
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Patent number 5,190,148
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Issue date Mar 2, 1993
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Delta Systems, Inc.
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Thomas D. Williams
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H01 - BASIC ELECTRIC ELEMENTS
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Posture position sensor
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Patent number 5,168,264
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Issue date Dec 1, 1992
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Hermenegildo C. Agustin
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Flexion monitoring device
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Patent number 5,128,655
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Issue date Jul 7, 1992
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Edward E. Shore
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Keep off your back alarm
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Patent number 5,081,447
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Issue date Jan 14, 1992
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Wilford R. Echols
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Finger switch
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Patent number 5,045,650
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Issue date Sep 3, 1991
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Yamaha Corporation
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Hideo Suzuki
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G10 - MUSICAL INSTRUMENTS ACOUSTICS