EL

Ernst Landsberg

WA Walther & Cie Ag: 1 patents #2 of 11Top 20%
Overall (All Time): #4,075,934 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4350224 Rescue system on high rise buildings for evacuating persons in the case of fire Friedrich Jochum, Plano Zschernack 1982-09-21