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Chart recorders
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Patent number 5,929,873
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Issue date Jul 27, 1999
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ABB Kent-Taylor Limited
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Umar Qureshi
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G01 - MEASURING TESTING
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Chart recorder
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Patent number 5,572,240
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Issue date Nov 5, 1996
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Endress +Hauser Wetzer GmbH & Co. KG
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Dieter Schmidt
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G06 - COMPUTING CALCULATING COUNTING
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Compact chart recorder
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Patent number 5,329,303
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Issue date Jul 12, 1994
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Transit Services, Inc.
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Thomas Gill
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G01 - MEASURING TESTING
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Multi-trace chart recorder
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Patent number 5,291,216
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Issue date Mar 1, 1994
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Transit Services, Inc.
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Thomas Gill
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G01 - MEASURING TESTING
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Chart recorder
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Patent number 5,270,732
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Issue date Dec 14, 1993
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Endress + Hauser Wetzer GmbH + Co. KG
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Helmut Kalteis
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G01 - MEASURING TESTING
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Pen turret control system
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Patent number 4,885,701
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Issue date Dec 5, 1989
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CalComp Inc.
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Charles Gunderson
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Pen printer
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Patent number 4,856,919
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Issue date Aug 15, 1989
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Sony Corporation
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Hiroshi Takeuchi
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Recording apparatus
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Patent number 4,775,868
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Issue date Oct 4, 1988
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Canon Kabushiki Kaisha
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Susumu Sugiura
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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