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Color separated font
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Patent number 4,141,732
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Issue date Feb 27, 1979
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Thomas L. Byers
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3817145
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Patent number 3,817,145
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Issue date Jun 18, 1974
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3797147
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Patent number 3,797,147
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Issue date Mar 19, 1974
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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3736855
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Patent number 3,736,855
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Issue date Jun 5, 1973
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3395632
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Patent number 3,395,632
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Issue date Aug 6, 1968
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3361048
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Patent number 3,361,048
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Issue date Jan 2, 1968
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3299556
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Patent number 3,299,556
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Issue date Jan 24, 1967
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3203725
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Patent number 3,203,725
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Issue date Aug 31, 1965
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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2972938
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Patent number 2,972,938
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Issue date Feb 28, 1961
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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2969724
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Patent number 2,969,724
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Issue date Jan 31, 1961
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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2878122
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Patent number 2,878,122
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Issue date Mar 17, 1959
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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2638040
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Patent number 2,638,040
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Issue date May 12, 1953
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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2336489
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Patent number 2,336,489
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Issue date Dec 14, 1943
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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2009262
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Patent number 2,009,262
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Issue date Jul 23, 1935
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS