HS

Herbert Schriefer

TW The Gleason Works: 2 patents #1 of 7Top 15%
Overall (1997): #38,767 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5651721 Method for the precision working of gears with an internally toothed tool, which for dressing remains in the precision working machine — 1997-07-29
5645467 Method for the precision machining of gear-wheels — 1997-07-08