CH

Colleen Marie Henry

AO Ashland Oil: 2 patents #7 of 60Top 15%
🗺 Ohio: #248 of 3,574 inventorsTop 7%
Overall (1989): #29,826 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4852636 Process for preparing foundry shapes and castings utilizing certain polyurethane binders — 1989-08-01
4814363 Phenolic resin compositions and their use in foundry binders — 1989-03-21