HB

Hans-Ulrich Bertz

UN Unknown: 2 patents #37 of 1,640Top 3%
📍 Rastatt, DE: #1 of 3 inventorsTop 35%
Overall (1989): #26,728 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4852402 Method and apparatus for checking or testing the profile of gear flanks, particularly of involute gears 1989-08-01
4841644 Method and system of testing gear teeth of circular spacing of gear teeth of a gear wheel 1989-06-27