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Advanced user interface
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Patent number 5,157,384
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Issue date Oct 20, 1992
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International Business Machines Corporation
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Evon C. Greanias
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G06 - COMPUTING CALCULATING COUNTING
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Stylus sensing system
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Patent number 5,149,919
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Issue date Sep 22, 1992
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International Business Machines Corporation
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Evon C. Greanias
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G06 - COMPUTING CALCULATING COUNTING
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Stylus sensing system
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Patent number 5,117,071
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Issue date May 26, 1992
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International Business Machines Corporation
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Evon C. Greanias
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G06 - COMPUTING CALCULATING COUNTING
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Remotely sensed personal stylus
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Patent number 5,007,085
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Issue date Apr 9, 1991
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International Business Machines Corporation
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Evon C. Greanias
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G06 - COMPUTING CALCULATING COUNTING
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