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Direct-writing recorder
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Patent number 4,433,339
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Issue date Feb 21, 1984
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Hioki Denki Kabushiki Kaisha
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Takehiko Sakaguchi
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G01 - MEASURING TESTING
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Blood pressure recorder
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Patent number 4,276,886
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Issue date Jul 7, 1981
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Alfred E. Sibley
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Point recorder
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Patent number 4,150,385
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Issue date Apr 17, 1979
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Metrawatt A.G.
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Alfred Ahles
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G01 - MEASURING TESTING
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Electronic thermograph
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Patent number 4,135,400
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Issue date Jan 23, 1979
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Time & Temperature Company
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William H. Maxwell
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G01 - MEASURING TESTING
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3521292
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Patent number 3,521,292
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Issue date Jul 21, 1970
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G01 - MEASURING TESTING
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3380066
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Patent number 3,380,066
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Issue date Apr 23, 1968
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G01 - MEASURING TESTING
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3355742
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Patent number 3,355,742
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Issue date Nov 28, 1967
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G07 - CHECKING-DEVICES
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3205504
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Patent number 3,205,504
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Issue date Sep 7, 1965
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G01 - MEASURING TESTING
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3201794
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Patent number 3,201,794
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Issue date Aug 17, 1965
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G01 - MEASURING TESTING
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3195141
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Patent number 3,195,141
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Issue date Jul 13, 1965
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G01 - MEASURING TESTING
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3175161
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Patent number 3,175,161
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Issue date Mar 23, 1965
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G01 - MEASURING TESTING
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3161455
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Patent number 3,161,455
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Issue date Dec 15, 1964
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G01 - MEASURING TESTING
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3144296
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Patent number 3,144,296
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Issue date Aug 11, 1964
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G01 - MEASURING TESTING
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2965431
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Patent number 2,965,431
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Issue date Dec 20, 1960
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G01 - MEASURING TESTING
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2906583
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Patent number 2,906,583
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Issue date Sep 29, 1959
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G11 - INFORMATION STORAGE