HE

Heinz Emmenegger

EN Engelhard: 1 patents #271 of 518Top 55%
Overall (All Time): #1,669,293 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4980035 Bath for electrolytic deposition of a gold-copper-zinc alloy 1990-12-25
4687557 Gold alloys and galvanic bath for the electrolytic deposit thereof 1987-08-18
4486275 Solution for electroplating a gold-copper-cadmium alloy 1984-12-04