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Envelope opener and load separator
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Patent number 5,188,504
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Issue date Feb 23, 1993
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Systems Mailing Research, Inc.
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Larry L. Nelson
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Envelope opener and load separator
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Patent number 5,096,360
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Issue date Mar 17, 1992
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Systems Mailing Research, Inc.
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Larry L. Nelson
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Envelope opener and load separator
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Patent number 5,061,146
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Issue date Oct 29, 1991
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Systems Mailing Research, Inc.
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Larry L. Nelson
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Envelope opener and load separator
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Patent number 4,921,388
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Issue date May 1, 1990
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Systems Mailing Research, Inc.
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Larry L. Nelson
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES