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Seal bar including clamped seal element
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Patent number 4,872,942
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Issue date Oct 10, 1989
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Mobil Oil Corporation
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Gordon V. Sharps
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Microwaveable container
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Patent number 4,859,822
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Issue date Aug 22, 1989
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Mobil Oil Corporation
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James J. Ragusa
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Single lip rotary tubular extrusion die
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Patent number 4,784,594
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Issue date Nov 15, 1988
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Mobil Oil Corporation
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Gordon V. Sharps
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Integral film tear strip
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Patent number 4,522,854
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Issue date Jun 11, 1985
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Mobil Oil Corporation
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Gordon V. Sharps
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Vacuum seal bar
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Patent number 4,464,219
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Issue date Aug 7, 1984
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Mobil Oil Corporation
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Edward A. Colombo
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL