DH

David Hammer

📍 Ann Arbor, MI: #27 of 244 inventorsTop 15%
🗺 Michigan: #263 of 3,452 inventorsTop 8%
Overall (1989): #29,564 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4828810 Removal of low level ethylene oxide contaminants by treatment of contaminated gases with cationic exchange resins at gas-solid interface reaction conditions Richard J. Kruse 1989-05-09
4813410 Gas mask filter for the removal of low level ethylene oxide contaminants from air comprising dried cationic exchange resins Richard J. Kruse 1989-03-21