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David W. Smith
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Waynetown, IN, US
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last 30 patents
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Patent Grant
Compartmentalized top cover promotional closure
Patent number
5,769,263
Issue date
Jun 23, 1998
Alcoa Closure Systems International, Inc.
Wendell D. Willingham
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Patent Grant
Method for manufacturing a tamper-indicating plastic closure
Patent number
5,557,999
Issue date
Sep 24, 1996
H-C Industries, Inc.
David W. Smith
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL