AP

August T. Portmann

BA Bruderer Ag: 3 patents #5 of 14Top 40%
Overall (All Time): #1,671,397 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4854152 Ram guiding apparatus for a punch press — 1989-08-08
4757734 Balancing means in a punching machine — 1988-07-19
4748883 Apparatus for setting the working stroke of a punching machine — 1988-06-07