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William S. Butterfield
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Stevens City, VA, US
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Patents Grants
last 30 patents
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Patent Grant
Abrasion-resistant rubber roll cover with polyurethane coating
Patent number
10,287,731
Issue date
May 14, 2019
Stowe Woodward Licensco LLC
William S. Butterfield
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
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Patent Application
SEAMED PAPERMAKER'S PRESS FELT WITH REINFORCED BATT LAYER
Publication number
20150308045
Publication date
Oct 29, 2015
Huyck Licensco, Inc.
Ronald Goglick
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Application
Abrasion-resistant rubber roll cover with polyurethane coating
Publication number
20070111871
Publication date
May 17, 2007
William S. Butterfield
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE