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Composite insulated wall
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Issue date Sep 30, 1997
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Thermomass Technologies, Inc.
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Robert T. Long
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E04 - BUILDING
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Structural panel
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Issue date Jan 30, 1996
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Richard F. Artzer
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Composite insulated wall
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Patent number 4,768,324
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Issue date Sep 6, 1988
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Hibbard Construction Co.
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Donald B. Hibbard
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E04 - BUILDING
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Composite insulated wall
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Patent number 4,702,053
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Issue date Oct 27, 1987
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Hibbard Construction Co.
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Donald B. Hibbard
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E04 - BUILDING
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Method and apparatus for welding
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Patent number 4,340,802
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Issue date Jul 20, 1982
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Covington Brothers Technologies
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Richard F. Artzer
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Structural panel
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Patent number 4,226,067
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Issue date Oct 7, 1980
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Covington Brothers Building Systems, Inc.
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Richard F. Artzer
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3555131
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Issue date Jan 12, 1971
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3305991
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Patent number 3,305,991
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Issue date Feb 28, 1967
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL