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Warren N. Hubert
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Ducanville, TX, US
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Patent Grant
Machinery for molding headpiece for collapsible tube including a ch...
Patent number
4,492,548
Issue date
Jan 8, 1985
RJR Archer, Inc.
Warren N. Hubert
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL