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Dot matrix print actuator
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Patent number 4,527,469
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Issue date Jul 9, 1985
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Dataproducts Corporation
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Peter H. Wolf
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Print hammer assembly method
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Patent number 4,524,259
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Issue date Jun 18, 1985
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Dataproducts Corporation
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Peter H. Wolf
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Ink jet head structure
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Patent number 4,306,243
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Issue date Dec 15, 1981
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Dataproducts Corporation
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Howard H. Taub
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Dot matrix print head
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Patent number 4,140,406
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Issue date Feb 20, 1979
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Dataproducts
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Peter H. Wolf
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS