FF

Fritz Frehn

TA Thyssen Edelstahlwarke Ag: 2 patents #4 of 34Top 15%
Overall (All Time): #2,362,531 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4386959 Method for compound sintering — 1983-06-07
4198233 Method for the manufacture of tools, machines or parts thereof by composite sintering — 1980-04-15