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Optical surface polisher
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Patent number 4,128,968
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Issue date Dec 12, 1978
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The Perkin-Elmer Corporation
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Robert A. Jones
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G05 - CONTROLLING REGULATING
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3917932
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Patent number 3,917,932
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Issue date Nov 4, 1975
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G06 - COMPUTING CALCULATING COUNTING
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3763363
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Patent number 3,763,363
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Issue date Oct 2, 1973
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G06 - COMPUTING CALCULATING COUNTING
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3191111
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Patent number 3,191,111
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Issue date Jun 22, 1965
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G05 - CONTROLLING REGULATING