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Electronic timepiece
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Patent number 10,969,225
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Issue date Apr 6, 2021
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Seiko Epson Corporation
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Toshiyuki Nozawa
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G01 - MEASURING TESTING
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Electronic timepiece
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Patent number 10,190,880
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Issue date Jan 29, 2019
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Seiko Epson Corporation
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Toshiyuki Nozawa
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G04 - HOROLOGY
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Magnetic compass
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Patent number 9,080,869
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Issue date Jul 14, 2015
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Paul Chapman
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G01 - MEASURING TESTING
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Magnetic compass
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Patent number 4,930,224
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Issue date Jun 5, 1990
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Rule Industries, Inc.
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Kenneth LeBlanc
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G01 - MEASURING TESTING
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Tactical dinghy compass
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Patent number 4,616,423
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Issue date Oct 14, 1986
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J. & K. Shephard Design Pty Limited
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Kevin E. Shephard
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G01 - MEASURING TESTING
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Course indicator
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Patent number 4,089,118
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Issue date May 16, 1978
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Bernard Howard
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G01 - MEASURING TESTING
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3857032
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Patent number 3,857,032
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Issue date Dec 24, 1974
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G01 - MEASURING TESTING
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3690014
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Patent number 3,690,014
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Issue date Sep 12, 1972
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G01 - MEASURING TESTING
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2120951
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Patent number 2,120,951
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Issue date Jun 14, 1938
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G01 - MEASURING TESTING