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Carbonless copy note pad
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Patent number 9,908,356
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Issue date Mar 6, 2018
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Taiwan Hopax Chemicals Mfg. Co., Ltd.
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Tsung-Tien Kuo
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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Pressure sensitive copying paper
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Patent number 4,630,079
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Issue date Dec 16, 1986
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Mitsubishi Paper Mills, Ltd.
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Takao Kosaka
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Microcapsule dispersions
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Patent number 4,403,051
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Issue date Sep 6, 1983
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Kanzaki Paper Manufacturing Company, Limited
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Tomoyuki Okimoto
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Grafted, polymeric microcapsular system
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Patent number 4,115,474
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Issue date Sep 19, 1978
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Champion International Corporation
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Anthony E. Vassiliades
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3930101
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Patent number 3,930,101
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Issue date Dec 30, 1975
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C01 - INORGANIC CHEMISTRY
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3914470
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Patent number 3,914,470
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Issue date Oct 21, 1975
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3900671
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Patent number 3,900,671
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Issue date Aug 19, 1975
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3876629
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Patent number 3,876,629
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Issue date Apr 8, 1975
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3867169
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Patent number 3,867,169
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Issue date Feb 18, 1975
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3844816
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Patent number 3,844,816
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Issue date Oct 29, 1974
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS