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Flexible retainer closure device
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Patent number 5,199,602
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Issue date Apr 6, 1993
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Alden Laboratories, Inc.
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Terrence M. Drew
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Hand padding device
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Patent number 5,159,717
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Issue date Nov 3, 1992
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Alden Laboratories, Inc.
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Terrence M. Drew
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A41 - WEARING APPAREL
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One way flow device
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Patent number 5,144,986
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Issue date Sep 8, 1992
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Alden Laboratories, Inc.
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Terrence M. Drew
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Process for heat sealing packages
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Patent number 5,015,313
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Issue date May 14, 1991
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Alden Laboratories, Inc.
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Terrence M. Drew
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL