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Stephen T. Chang

EC Eveready Battery Company: 3 patents #133 of 520Top 30%
📍 Richmond Heights, OH: #49 of 141 inventorsTop 35%
🗺 Ohio: #23,384 of 73,341 inventorsTop 35%
Overall (All Time): #1,602,121 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6681915 High speed manufacturing system Imre A. Pattantyus-Abraham, Chad E. Law, Patrick Weber, Stanley W. Stedman 2004-01-27
6478134 High speed manufacturing system Imre A. Pattantyus-Abraham, Chad E. Law, Patrick Weber, Stanley W. Stedman 2002-11-12
6325198 High speed manufacturing system Imre A. Pattantyus-Abraham, Chad E. Law, Patrick Weber, Stanley W. Stedman 2001-12-04