DP

David A. Pierman

TO The Standard Oil: 2 patents #183 of 601Top 35%
TT The Timken: 1 patents #115 of 291Top 40%
📍 Cleveland, OH: #477 of 1,781 inventorsTop 30%
🗺 Ohio: #23,384 of 73,341 inventorsTop 35%
Overall (All Time): #1,530,910 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8727627 Apparatus and method for controlled release of lubricant additives in bearing and gear assemblies Ryan D. Evans, Paul J. Shiller, Gary L. Doll 2014-05-20
4923578 Graphite composites and process for the manufacture thereof Kenneth C. Benton, Joseph R. Fox 1990-05-08
4857395 Graphite composites and process for the manufacture thereof Kenneth C. Benton, Joseph R. Fox 1989-08-15