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3639989
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Issue date Feb 8, 1972
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G06 - COMPUTING CALCULATING COUNTING
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3628250
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Patent number 3,628,250
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G06 - COMPUTING CALCULATING COUNTING
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3623228
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G06 - COMPUTING CALCULATING COUNTING
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3599335
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G06 - COMPUTING CALCULATING COUNTING
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3584383
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G06 - COMPUTING CALCULATING COUNTING
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3478195
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G06 - COMPUTING CALCULATING COUNTING
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3324282
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G06 - COMPUTING CALCULATING COUNTING
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3313164
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Patent number 3,313,164
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G06 - COMPUTING CALCULATING COUNTING
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3304611
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G06 - COMPUTING CALCULATING COUNTING
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3086704
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G06 - COMPUTING CALCULATING COUNTING
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3030012
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G06 - COMPUTING CALCULATING COUNTING
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3019968
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G06 - COMPUTING CALCULATING COUNTING
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2947473
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G06 - COMPUTING CALCULATING COUNTING
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2933242
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G06 - COMPUTING CALCULATING COUNTING
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2931573
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G06 - COMPUTING CALCULATING COUNTING
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2912161
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G06 - COMPUTING CALCULATING COUNTING
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2889989
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G06 - COMPUTING CALCULATING COUNTING
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2845712
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G06 - COMPUTING CALCULATING COUNTING
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2841332
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G06 - COMPUTING CALCULATING COUNTING
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2801795
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G06 - COMPUTING CALCULATING COUNTING
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2797864
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G06 - COMPUTING CALCULATING COUNTING
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2782986
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G06 - COMPUTING CALCULATING COUNTING
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2767917
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G06 - COMPUTING CALCULATING COUNTING
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2754687
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G06 - COMPUTING CALCULATING COUNTING
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2746303
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G06 - COMPUTING CALCULATING COUNTING
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2700823
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G06 - COMPUTING CALCULATING COUNTING
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2627673
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G06 - COMPUTING CALCULATING COUNTING
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2602587
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G06 - COMPUTING CALCULATING COUNTING