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Modular building panel
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Patent number 9,212,485
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Issue date Dec 15, 2015
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Victor Wolynski
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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-
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Sound absorption panel
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Patent number 4,531,609
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Issue date Jul 30, 1985
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Midwest Acounst-A-Fiber
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Jerry M. Wolf
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E04 - BUILDING
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Sound-absorbing panel
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Patent number 4,301,890
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Issue date Nov 24, 1981
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Lord Corporation
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John M. Zalas
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B32 - LAYERED PRODUCTS
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Construction unit
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Patent number 4,142,338
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Issue date Mar 6, 1979
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Otto A. Becker
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E04 - BUILDING
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Construction unit
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Patent number 4,071,992
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Issue date Feb 7, 1978
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Otto A. Becker
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E04 - BUILDING
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Insulating wall unit
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Patent number 3,990,202
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Issue date Nov 9, 1976
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Otto Alfred Becker
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F24 - HEATING RANGES VENTILATING
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3834096
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Patent number 3,834,096
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Issue date Sep 10, 1974
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F24 - HEATING RANGES VENTILATING
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3703793
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Patent number 3,703,793
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Issue date Nov 28, 1972
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E04 - BUILDING
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3497029
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Patent number 3,497,029
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Issue date Feb 24, 1970
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E04 - BUILDING
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3176789
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Patent number 3,176,789
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Issue date Apr 6, 1965
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E04 - BUILDING
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3087567
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Patent number 3,087,567
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Issue date Apr 30, 1963
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3087571
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Patent number 3,087,571
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Issue date Apr 30, 1963
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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3070186
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Patent number 3,070,186
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Issue date Dec 25, 1962
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E04 - BUILDING
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2975853
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Patent number 2,975,853
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Issue date Mar 21, 1961
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E04 - BUILDING
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2893067
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Patent number 2,893,067
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Issue date Jul 7, 1959
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E04 - BUILDING
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2779429
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Patent number 2,779,429
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Issue date Jan 29, 1957
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E04 - BUILDING
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2390262
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Patent number 2,390,262
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Issue date Dec 4, 1945
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E04 - BUILDING
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2308869
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Patent number 2,308,869
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Issue date Jan 19, 1943
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E04 - BUILDING
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2308827
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Patent number 2,308,827
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Issue date Jan 19, 1943
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E04 - BUILDING