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System and method for keeping time
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Patent number 6,249,488
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Issue date Jun 19, 2001
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Dallas Semiconductor Corporation
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Clark R. Williams
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G06 - COMPUTING CALCULATING COUNTING
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Low power timekeeping system
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Patent number 5,629,907
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Issue date May 13, 1997
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Dallas Semiconductor Corporation
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Clark R. Williams
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G06 - COMPUTING CALCULATING COUNTING
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Memory control system
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Patent number 5,333,295
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Issue date Jul 26, 1994
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Dallas Semiconductor Corp.
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William J. Podkowa
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G06 - COMPUTING CALCULATING COUNTING
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Dynamic PLA time circuit
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Patent number 5,287,018
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Issue date Feb 15, 1994
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Dallas Semiconductor Corporation
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Clark R. Williams
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H03 - BASIC ELECTRONIC CIRCUITRY
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Low power timekeeping system
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Patent number 5,267,222
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Issue date Nov 30, 1993
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Dallas Semiconductor Corp.
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Clark R. Williams
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G06 - COMPUTING CALCULATING COUNTING
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Low power timekeeping system
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Patent number 5,050,113
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Issue date Sep 17, 1991
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Dallas Semiconductor Corporation
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William J. Podkowa
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G04 - HOROLOGY
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Dynamic PLA timing circuit
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Patent number 4,959,646
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Issue date Sep 25, 1990
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Dallas Semiconductor Corporation
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William J. Podkowa
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H03 - BASIC ELECTRONIC CIRCUITRY
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