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Paper feed method and apparatus
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Patent number 6,224,051
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Issue date May 1, 2001
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PFU Limited
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Takumi Nakayama
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Ribbon feed mechanism
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Patent number 4,797,690
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Issue date Jan 10, 1989
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Matsushita Electric Industrial Co., Ltd.
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Masaaki Takita
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3409113
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Patent number 3,409,113
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Issue date Nov 5, 1968
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3409114
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Patent number 3,409,114
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Issue date Nov 5, 1968
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3026987
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Patent number 3,026,987
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Issue date Mar 27, 1962
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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2531872
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Patent number 2,531,872
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Issue date Nov 28, 1950
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS