ES

Ernst H. Schaefer

WE Westvaco: 2 patents #109 of 364Top 30%
📍 Darien, CT: #96 of 243 inventorsTop 40%
🗺 Connecticut: #15,609 of 34,797 inventorsTop 45%
Overall (All Time): #2,342,550 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4662993 Bleach system for dissolving chlorine gas into a bleach filtrate 1987-05-05
4515655 Method of bleaching paper pulp by blending chlorine with a flow volume of paper pulp slurry 1985-05-07