HG

Herbert Grabner

HA Hoffmann & Co. Elektrokohle Ag: 1 patents #1 of 2Top 50%
Overall (1997): #143,731 of 185,788Top 80%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5630973 Process for producing sliding bodies for electric collectors Johann Hoell 1997-05-20