HF

Helmut Freller

SA Siemens Aktiengesellschaft: 1 patents #208 of 995Top 25%
📍 Westerburg, DE: #3 of 11 inventorsTop 30%
Overall (1989): #106,997 of 140,708Top 80%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4842710 Method of making mixed nitride films with at least two metals Peter Schack 1989-06-27