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Douglas C. Barker
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Canton, OH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Base for an upright extractor
Patent number
D545012
Issue date
Jun 19, 2007
The Hoover Company
Richard S. Parr
D32 - Washing, cleaning, or drying machine
Information
Patent Grant
Portion of a portable cleaning machine
Patent number
D534699
Issue date
Jan 2, 2007
The Hoover Company
David W. Moine
D32 - Washing, cleaning, or drying machine
Information
Patent Grant
Portable cleaning machine
Patent number
D517260
Issue date
Mar 14, 2006
The Hoover Company
David W. Moine
D32 - Washing, cleaning, or drying machine
Information
Patent Grant
Tank for a portable cleaning machine
Patent number
D513649
Issue date
Jan 17, 2006
The Hoover Company
David W. Moine
D32 - Washing, cleaning, or drying machine
Information
Patent Grant
Tank for a portable cleaning machine
Patent number
D513648
Issue date
Jan 17, 2006
The Hoover Company
David W. Moine
D32 - Washing, cleaning, or drying machine