DB

Donald L. Ball

CO Cominco: 5 patents #4 of 133Top 4%
Overall (All Time): #888,363 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5601795 Calomel (Hg.sub.2 Cl.sub.2) purification process Richard S. Varley 1997-02-11
5013358 Method for the recovery of mercury from mercury-containing material Daniel A. D. Boateng 1991-05-07
4715939 Method for removal of monovalent ions from ZnSO.sub.4 electrolyte by electrodialysis Daniel A. D. Boateng 1987-12-29
4636295 Method for the recovery of lithium from solutions by electrodialysis Daniel A. D. Boateng 1987-01-13
4525332 Recovery of germanium from aqueous solutions Daniel A. D. Boateng, Godefridus M. Swinkels 1985-06-25
4471775 Endotracheal tube cuff synchronizing system Michael W. Clair 1984-09-18