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Edgar W. Knaub
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Willow Street, PA, US
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last 30 patents
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Patent Grant
Process for flatting glossy surfaces of urethane polymers
Patent number
4,073,975
Issue date
Feb 14, 1978
Armstrong Cork Company
Mervin R. Buckwalter
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...