FW

Friedrich Welcker

Overall (All Time): #2,189,707 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6789566 Safety contrivance for gas-using device 2004-09-14
6719595 Battery terminal connection cable 2004-04-13