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Document shredder
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Patent number D277190
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Issue date Jan 15, 1985
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Ofrex Group Limited
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Kenneth G. Sadler
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D15 - Machines not elsewhere specified
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Tacker
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Patent number D272983
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Issue date Mar 13, 1984
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Ofrex Group Limited
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Howard W. Biddle
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D08 - Tools and hardware
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Document shredding machines
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Patent number 4,411,391
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Issue date Oct 25, 1983
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Ofrex Group Limited
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Dennis P. Crane
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
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Tacker
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Patent number 4,399,938
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Issue date Aug 23, 1983
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Ofrex Group Limited
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Howard W. Biddle
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Tacker
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Patent number 4,367,833
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Issue date Jan 11, 1983
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Ofrex Group Limited
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Alan G. Kenney
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Low line tacker
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Patent number 4,150,774
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Issue date Apr 24, 1979
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Ofrex Group Limited
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Owen M. Wright
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Staple tacker
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Patent number D249865
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Issue date Oct 10, 1978
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Ofrex Group Limited
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Owen Mortimer Wright
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D08 - Tools and hardware