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Hermetically sealed package
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Patent number 4,055,671
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Issue date Oct 25, 1977
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Mahaffy & Harder Engineering Company
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Reid A. Mahaffy
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Packaging apparatus and techniques
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Patent number 4,034,536
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Issue date Jul 12, 1977
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Mahaffy & Harder Engineering Company
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Reid A. Mahaffy
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Continuous movement packaging machine
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Patent number 3,958,394
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Issue date May 25, 1976
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Mahaffy & Harder Engineering Company
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Reid A. Mahaffy
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL