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-
-
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3573485
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Issue date Apr 6, 1971
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G11 - INFORMATION STORAGE
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3566374
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G11 - INFORMATION STORAGE
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3537080
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Patent number 3,537,080
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Issue date Oct 27, 1970
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G02 - OPTICS
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3521249
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G11 - INFORMATION STORAGE
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3488644
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G11 - INFORMATION STORAGE
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3461441
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Patent number 3,461,441
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G11 - INFORMATION STORAGE
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3452212
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Patent number 3,452,212
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G06 - COMPUTING CALCULATING COUNTING
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3452340
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Patent number 3,452,340
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Issue date Jun 24, 1969
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G11 - INFORMATION STORAGE
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3452213
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Patent number 3,452,213
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G06 - COMPUTING CALCULATING COUNTING
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3423741
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G11 - INFORMATION STORAGE
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3416147
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G11 - INFORMATION STORAGE
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3411149
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G11 - INFORMATION STORAGE
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3395395
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G06 - COMPUTING CALCULATING COUNTING
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3328778
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G11 - INFORMATION STORAGE
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3311899
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G11 - INFORMATION STORAGE
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3300761
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G11 - INFORMATION STORAGE
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3281802
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G11 - INFORMATION STORAGE
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3229263
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G11 - INFORMATION STORAGE
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3214741
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G11 - INFORMATION STORAGE
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3210744
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G11 - INFORMATION STORAGE
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3198955
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G11 - INFORMATION STORAGE
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3196413
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G11 - INFORMATION STORAGE
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G11 - INFORMATION STORAGE
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3157861
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G11 - INFORMATION STORAGE
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3157866
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G11 - INFORMATION STORAGE
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3126534
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G11 - INFORMATION STORAGE
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3123807
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G11 - INFORMATION STORAGE