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David Zachariah Block
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Brooklyn, NY, US
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last 30 patents
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Patent Grant
Flow-through extension pole handle
Patent number
D661905
Issue date
Jun 19, 2012
Specialty Products of Greenwood, Missouri, Inc.
Jim Joseph Best
D04 - Brushware
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Patent Grant
Flow-through brush head
Patent number
D647308
Issue date
Oct 25, 2011
Specialty Products of Greenwood, Missouri, Inc.
Jim Joseph Best
D04 - Brushware