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Multi-color pen recorder
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Patent number 4,504,838
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Issue date Mar 12, 1985
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Alps Electric Co., Ltd.
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Hideo Tamai
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Pen type recording apparatus
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Patent number 4,484,201
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Issue date Nov 20, 1984
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Alps Electric Co., Ltd.
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Kyuichi Fujisawa
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Pen recorder
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Patent number 4,455,559
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Issue date Jun 19, 1984
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Alps Electric Co., Ltd.
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Kyuichi Fujisawa
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G01 - MEASURING TESTING
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Pen type recording device
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Patent number 4,441,109
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Issue date Apr 3, 1984
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Alps Electric Co., Ltd.
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Kyuichi Fujisawa
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Pen type printing apparatus
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Patent number 4,439,778
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Issue date Mar 27, 1984
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Alps Electric Co., Ltd.
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Kyuichi Fujisawa
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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