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Scroll machine with capacity modulation
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Patent number 6,176,686
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Issue date Jan 23, 2001
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Copeland Corporation
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Frank S. Wallis
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Scroll machine with capacity modulation
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Patent number 6,120,255
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Issue date Sep 19, 2000
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Copeland Corporation
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Stanley P. Schumann
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Scroll machine with capacity modulation
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Patent number 6,116,867
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Issue date Sep 12, 2000
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Copeland Corporation
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Frank S. Wallis
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Compressor reed valve
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Patent number 6,044,862
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Issue date Apr 4, 2000
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Copeland Corporation
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Stanley P. Schumann
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...