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Christopher H. Cheh

📍 Mississauga, CA: #1,061 of 3,799 inventorsTop 30%
Overall (All Time): #1,672,843 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4780116 Low temperature preparative gas chromatography apparatus Samuel H. Hawthorne, Ronald E. Massey, Otto K. Kveton, Savtantar K. Sood 1988-10-25
4732581 Gas chromatographic method for separating hydrogen isotopes Ronald E. Massey, Otto K. Kveton, Samuel H. Hawthorne, Savtantar K. Sood 1988-03-22
4492649 Carbon dioxide removal method employing packed solid calcium hydroxide Roger W. Glass 1985-01-08