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Surface profiling technique
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Patent number 4,502,785
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Issue date Mar 5, 1985
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AT&T Technologies, Inc.
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Bruce E. Truax
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G01 - MEASURING TESTING
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Methods of fabricating a photomask
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Patent number 4,405,701
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Issue date Sep 20, 1983
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Western Electric Co.
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Edward L. Banks
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Photomask and method of using same
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Patent number 4,361,643
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Issue date Nov 30, 1982
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Western Electric Co., Inc.
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Edward L. Banks
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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