JF

Jurgen Frenzel

SA Stahlwerke Peine-Salzgitter Ag: 2 patents #1 of 23Top 5%
📍 Alfeld (Leine), DE: #7 of 32 inventorsTop 25%
Overall (All Time): #1,669,675 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4802623 Concrete cross sleeper system Gunter Fasterding 1989-02-07
4756476 Railway switch Gunter Fasterding, Norbert Jacoby, Bernd-Joachim Kempa 1988-07-12
4285115 Method of manufacturing railway sleepers 1981-08-25