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Time recorder
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Patent number 6,850,466
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Issue date Feb 1, 2005
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Seiko Precision Inc.
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Kenji Ozawa
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G07 - CHECKING-DEVICES
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Time recorder
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Patent number 5,317,547
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Issue date May 31, 1994
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Seikosha Co., Ltd.
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Katsumi Oishi
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G07 - CHECKING-DEVICES
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Computer time clock
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Patent number 4,924,451
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Issue date May 8, 1990
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Bear Hsiung
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G06 - COMPUTING CALCULATING COUNTING
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Time clock device
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Patent number 4,899,173
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Issue date Feb 6, 1990
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Electra Print Time Recorder Company
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Jack L. Elliano
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G07 - CHECKING-DEVICES
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-
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Time recorder
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Patent number 4,394,666
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Issue date Jul 19, 1983
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Amano Corporation
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Hiroshi Kato
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G07 - CHECKING-DEVICES
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Time recorder
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Patent number 4,333,085
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Issue date Jun 1, 1982
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ITR International Time Limited
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Alan G. Witts
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G06 - COMPUTING CALCULATING COUNTING
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Time clock device
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Patent number 4,170,015
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Issue date Oct 2, 1979
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Jack L. Elliano
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G06 - COMPUTING CALCULATING COUNTING
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Memory fullness indicator
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Patent number 4,046,995
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Issue date Sep 6, 1977
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Engineered Systems, Inc.
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Ernest J. Salley
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G07 - CHECKING-DEVICES
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Attendance time recorder
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Patent number 4,041,503
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Issue date Aug 9, 1977
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Simplex Time Recorder
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Wilfried Michel
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G07 - CHECKING-DEVICES
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Printer
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Patent number 4,003,307
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Issue date Jan 18, 1977
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Amano Corporation
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Seizaburo Sano
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G07 - CHECKING-DEVICES
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Time recorder
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Patent number 3,978,493
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Issue date Aug 31, 1976
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Simplex Time Recorder Company
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Gunther Trischler
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G07 - CHECKING-DEVICES
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Time recorder
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Patent number 3,952,313
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Issue date Apr 20, 1976
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Simplex Time Recorder Co.
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Erich Willmann
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G07 - CHECKING-DEVICES
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3890624
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Patent number 3,890,624
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Issue date Jun 17, 1975
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G07 - CHECKING-DEVICES
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3878516
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Patent number 3,878,516
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Issue date Apr 15, 1975
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G07 - CHECKING-DEVICES
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3800301
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Patent number 3,800,301
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Issue date Mar 26, 1974
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G07 - CHECKING-DEVICES
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3665165
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Patent number 3,665,165
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Issue date May 23, 1972
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G07 - CHECKING-DEVICES
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3644712
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Patent number 3,644,712
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Issue date Feb 22, 1972
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G07 - CHECKING-DEVICES