HB

Herbert Bumberger

DA Didier-Werke Ag: 2 patents #56 of 217Top 30%
VO Voest-Alpine: 2 patents #85 of 348Top 25%
Overall (All Time): #2,332,877 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
RE33036 Closure mechanism with gas seal Bernhard Schiefer 1989-08-29
4555050 Closure mechanism with gas seal Bernhard Schiefer 1985-11-26