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Card sorting machine
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Patent number 4,576,288
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Issue date Mar 18, 1986
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Tanaka Seiko Co. Ltd.
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Tomomasa Tanaka
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G06 - COMPUTING CALCULATING COUNTING
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-
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Document retrieval system
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Patent number 4,327,834
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Issue date May 4, 1982
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O. K. Partnership
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Robert J. Kalthoff
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G06 - COMPUTING CALCULATING COUNTING
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Random automatic selector
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Patent number 4,190,164
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Issue date Feb 26, 1980
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Mazda Cartex Company, Limited
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Chiaki Matsuda
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G06 - COMPUTING CALCULATING COUNTING
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Card retrieval system
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Patent number 4,076,125
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Issue date Feb 28, 1978
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Sharp Kabushiki Kaisha
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Mikio Ohsaki
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G06 - COMPUTING CALCULATING COUNTING
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Card selector
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Patent number 4,013,171
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Issue date Mar 22, 1977
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A. W. Ferrin, Beatrice Ferrin, Donald H. Stephen, Trustees of the Lectrojog C...
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Albert William Ferrin
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G06 - COMPUTING CALCULATING COUNTING
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Interposer mechanism
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Patent number 4,011,986
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Issue date Mar 15, 1977
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O. K. Partnership
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Richard C. O'Brien
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G06 - COMPUTING CALCULATING COUNTING
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3901796
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Patent number 3,901,796
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Issue date Aug 26, 1975
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G06 - COMPUTING CALCULATING COUNTING
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3831749
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Patent number 3,831,749
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Issue date Aug 27, 1974
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G06 - COMPUTING CALCULATING COUNTING
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3799335
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Patent number 3,799,335
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Issue date Mar 26, 1974
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G06 - COMPUTING CALCULATING COUNTING
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3789982
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Patent number 3,789,982
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Issue date Feb 5, 1974
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G06 - COMPUTING CALCULATING COUNTING
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3732977
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Patent number 3,732,977
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Issue date May 15, 1973
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G06 - COMPUTING CALCULATING COUNTING
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3682300
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Patent number 3,682,300
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Issue date Aug 8, 1972
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G06 - COMPUTING CALCULATING COUNTING
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3625358
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Patent number 3,625,358
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Issue date Dec 7, 1971
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G06 - COMPUTING CALCULATING COUNTING
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3618763
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Patent number 3,618,763
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Issue date Nov 9, 1971
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G06 - COMPUTING CALCULATING COUNTING
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3524545
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Patent number 3,524,545
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Issue date Aug 18, 1970
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G06 - COMPUTING CALCULATING COUNTING
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3394247
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Patent number 3,394,247
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Issue date Jul 23, 1968
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G06 - COMPUTING CALCULATING COUNTING
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3292630
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Patent number 3,292,630
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Issue date Dec 20, 1966
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G06 - COMPUTING CALCULATING COUNTING
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3266497
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Patent number 3,266,497
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Issue date Aug 16, 1966
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G06 - COMPUTING CALCULATING COUNTING
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1639443
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Patent number 1,639,443
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Issue date Aug 16, 1927
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G06 - COMPUTING CALCULATING COUNTING