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Kerry L. VonDross
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Waukesha, WI, US
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last 30 patents
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Patent Grant
Structural block
Patent number
D429531
Issue date
Aug 15, 2000
Best Block Company
Kerry L. VonDross
D25 - Building units and construction elements
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Patent Grant
Structural block
Patent number
D387183
Issue date
Dec 2, 1997
Best Block Company
Kerry L. VonDross
D25 - Building units and construction elements