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Padded book panel construction
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Patent number 4,748,067
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Issue date May 31, 1988
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Corra-Board Products Co., Inc.
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Thomas L. Cline
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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High strength paperboard panel
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Patent number 4,734,308
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Issue date Mar 29, 1988
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Corra-Board Products Co., Inc.
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Thomas L. Cline
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Game board construction
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Patent number 4,709,927
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Issue date Dec 1, 1987
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Corra-Board Products Co., Inc.
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Thomas L. Cline
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A63 - SPORTS GAMES AMUSEMENTS
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Paperboard panel construction
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Patent number 4,710,417
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Issue date Dec 1, 1987
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Corra-Board Products Co., Inc.
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Thomas L. Cline
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B32 - LAYERED PRODUCTS
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Book container structure
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Patent number 4,703,854
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Issue date Nov 3, 1987
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Corra-Board Products Co., Inc.
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Thomas L. Cline
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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Book panel construction
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Patent number 4,673,608
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Issue date Jun 16, 1987
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Corra-Board Products Co.
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Thomas L. Cline
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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