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Polyester ribbon for non-impact printing
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Patent number 4,269,892
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Issue date May 26, 1981
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International Business Machines Corporation
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Meredith D. Shattuck
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Visual image recording device
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Patent number 4,126,456
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Issue date Nov 21, 1978
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International Business Machines Corporation
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Robert V. Pole
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G02 - OPTICS
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Visual image display device
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Patent number 4,037,928
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Issue date Jul 26, 1977
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International Business Machines Corporation
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Robert Bruce Champ
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Display apparatus and process
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Patent number 4,004,849
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Issue date Jan 25, 1977
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International Business Machines Corporation
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Meredith David Shattuck
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G02 - OPTICS