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Text processing arrangement
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Patent number 4,130,884
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Issue date Dec 19, 1978
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Siemens Aktiengesellschaft
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Eugen Hildinger
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3474416
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Patent number 3,474,416
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Issue date Oct 21, 1969
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G06 - COMPUTING CALCULATING COUNTING
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3413624
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Patent number 3,413,624
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Issue date Nov 26, 1968
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G06 - COMPUTING CALCULATING COUNTING
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3063536
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Patent number 3,063,536
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Issue date Nov 13, 1962
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3031647
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Patent number 3,031,647
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Issue date Apr 24, 1962
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G06 - COMPUTING CALCULATING COUNTING
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2967295
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Patent number 2,967,295
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Issue date Jan 3, 1961
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G06 - COMPUTING CALCULATING COUNTING