BV

Burckard Vitt

RA Ruhrkohle Ag: 2 patents #12 of 88Top 15%
Overall (All Time): #2,312,273 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5155966 Roof structure Dieter Breidenbach, Hans-Ulrich Oldengott 1992-10-20
4929179 Roof structure Dieter Breidenbach, Hans-Ulrich Oldengott 1990-05-29