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3419712
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G06 - COMPUTING CALCULATING COUNTING
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3350698
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G11 - INFORMATION STORAGE
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3308282
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Patent number 3,308,282
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G06 - COMPUTING CALCULATING COUNTING
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3267268
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Patent number 3,267,268
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G06 - COMPUTING CALCULATING COUNTING
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3247489
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G11 - INFORMATION STORAGE
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3241124
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Patent number 3,241,124
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G11 - INFORMATION STORAGE
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3230512
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G06 - COMPUTING CALCULATING COUNTING
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3221158
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Issue date Nov 30, 1965
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G11 - INFORMATION STORAGE
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3191012
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G11 - INFORMATION STORAGE
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3191014
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G06 - COMPUTING CALCULATING COUNTING
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3141964
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G06 - COMPUTING CALCULATING COUNTING
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3047230
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G06 - COMPUTING CALCULATING COUNTING
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3021440
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G11 - INFORMATION STORAGE
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3019978
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G06 - COMPUTING CALCULATING COUNTING
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3019349
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G06 - COMPUTING CALCULATING COUNTING
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3017100
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G06 - COMPUTING CALCULATING COUNTING
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3011711
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G06 - COMPUTING CALCULATING COUNTING
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3004705
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G06 - COMPUTING CALCULATING COUNTING
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2962216
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G06 - COMPUTING CALCULATING COUNTING
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2888201
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G06 - COMPUTING CALCULATING COUNTING