DC

Donald H. Campbell

HP Hooker Chemicals & Plastics: 1 patents #5 of 48Top 15%
📍 Hartland, MI: #1 of 2 inventorsTop 50%
🗺 Michigan: #416 of 1,972 inventorsTop 25%
Overall (1982): #69,065 of 81,411Top 85%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4330515 Preparation of phosphorous acid from industrial waste material containing phosphites Edward J. Quinn 1982-05-18