Keith W. Mallett

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Newark, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Centrifugally cast ductile iron utility pole having stepped portions
- Patent number D629531
- Issue date Dec 21, 2010
- McWane Global
- Michael C. Keel
- D25 - Building units and construction elements
Information Patent Grant
Interconnected centrifugally cast, ductile iron utility pole members
- Patent number D624667
- Issue date Sep 28, 2010
- McWane Global
- Michael C. Keel
- D25 - Building units and construction elements
Information Patent Grant
Centrifugally cast ductile iron utility pole having stepped portions
- Patent number D617471
- Issue date Jun 8, 2010
- McWane Global
- Michael C. Keel
- D25 - Building units and construction elements
Information Patent Grant
Pair of interconnected centrifugally cast ductile iron utility pole...
- Patent number D616116
- Issue date May 18, 2010
- McWane Global
- Michael C. Keel
- D25 - Building units and construction elements