RS

Ralph E. Showman

AC Ask Chemicals: 2 patents #4 of 14Top 30%
AS Ashland: 1 patents #125 of 247Top 55%
Overall (All Time): #1,541,622 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8426493 Foundry mixes containing sulfate and/or nitrate salts and their uses Sean B. Harmon 2013-04-23
7967053 Process for casting a part from a pour of molten metal into a mold assembly Ronald C. Aufderheide 2011-06-28
5983984 Insulating sleeve compositions and their uses Ronald C. Auderheide, Helena Twardowska 1999-11-16