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Kevin S. Waltz
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Massillon, OH, US
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Patents Grants
last 30 patents
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Patent Grant
Vacuum cleaner dirt collecting system with filter cleaning devices
Patent number
6,598,263
Issue date
Jul 29, 2003
The Hoover Company
David J. Boles
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Patents Applications
last 30 patents
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Patent Application
Vacuum cleaner dirt collecting system with filter cleaning devices
Publication number
20020166199
Publication date
Nov 14, 2002
David J. Boles
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...