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Coupling for liquid meters
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Patent number 4,738,136
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Issue date Apr 19, 1988
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Rockwell International Corporation
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David A. Yanov
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G01 - MEASURING TESTING
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Tamperproof water meter
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Patent number 4,663,970
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Issue date May 12, 1987
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Rockwell International Corporation
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Ray Sutherland
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G01 - MEASURING TESTING
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Dual purpose water meter cover
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Patent number 4,422,325
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Issue date Dec 27, 1983
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Rockwell International Corporation
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Ray Sutherland
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G01 - MEASURING TESTING
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Plastic water meter main case
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Patent number 4,391,139
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Issue date Jul 5, 1983
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Rockwell International Corporation
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Ray Sutherland
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G01 - MEASURING TESTING