DR

David Michael Routtenberg

GC General Hydrogen Corp.: 1 patents #5 of 11Top 50%
📍 Surrey, CA: #10 of 36 inventorsTop 30%
Overall (2004): #237,020 of 270,089Top 90%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6817879 Service port configurations Alan Mulvenna, John David Trevor Graham, William Mufford 2004-11-16