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Stephen D. Copperwheat
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Rome, NY, US
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Patents Grants
last 30 patents
Information
Patent Grant
Adhesive coated polyester felt
Patent number
6,846,759
Issue date
Jan 25, 2005
Knowlton Nonwovens, Inc.
Stephen D. Copperwheat
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Adhesive coated polyester felt
Patent number
6,770,582
Issue date
Aug 3, 2004
Knowlton Nonwovens, Inc.
Stephen D. Copperwheat
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Transmission filter felt
Patent number
6,695,148
Issue date
Feb 24, 2004
Edward C. Homonoff
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Moldable composite article and method of manufacture
Patent number
6,008,149
Issue date
Dec 28, 1999
Knowlton Nonwovens, Inc.
Stephen D. Copperwheat
B32 - LAYERED PRODUCTS
Patents Applications
last 30 patents
Information
Patent Application
Transmission filter felt
Publication number
20030010710
Publication date
Jan 16, 2003
Edward C. Homonoff
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL