GL

Gerhard Lembser

RA Ruhrgas Aktiengesellschaft: 2 patents #8 of 54Top 15%
Overall (All Time): #2,250,047 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5913326 Automatic closing device for a shut-off device — 1999-06-22
4749002 Shut-off device in the form of a ball valve — 1988-06-07